| 6761 |
| Updating of data concerning the impact on the aquatic environment of certain dangerous sustances, 2nd part : part II chlorinated benzenes / Commission of the European Communities, Directorate-General Environment, Nuclear Safety and Civil Protection . — Luxembourg : Office for Official Publications of the European Communities, 1993. — xii, 80 p. ; 30 cm. — | 
|
| 6762 |
| Updating of data concerning the impact on the aquatic environment of certain dangerous sustances, 2nd part : part I Benzene, ethylbenzene and isopropylbenzene / Commission of the European Communities, Directorate-General Environment, Nuclear Safety and Civil Protection . — Luxembourg : Office for Official Publications of the European Communities, 1993. — xii, 41 p. ; 30 cm. — | 
|
| 6763 |
| Updating of data concerning the impact on the aquatic environment of certain dangerous substances : part III chloronitrobenzenes and 4-chloro-2 nitroaniline / Commission of the European Communities, Directorate-General Environment, Nuclear Safety and Civil Protection . — Luxembourg : Office for Official Publications of the European Communities, 1993. — xii, 41 p. ; 30 cm. — | 
|
| 6764 |
| Urbain air pollution 1973-1980 / prepared in cooperation with the Monitoring and Assessment Research Centre, Chelsea College, University of London . — Geneva : World Health Organization, 1984. — 96 p. : gráf., tab. ; 24 cm. — ( Global environment monitoring system) | 
|
| 6765 |
| Urbain air pollution in megacities of the world / published on behalf of the World Health Organization and the United Nations Environment Programme . — reimp. — Oxford : Blackwell, 1993. — 230 p. : gráf. ; 30 cm. — ( Global environment monitoring system) | |
| 6766 |
| Symposium of American Society of Civil Engineers in conjunction with the ASCE Convention (1991. Orlando, Florida)
Urban and regional conflict resolution in water related issues : proceedings of the symposium sponsored by the irrigation and drainage division of the American Society of Civil Engineers in conjuntion with the ASCE convention, Orlando, Florida, october 21-22, 1991 / edited by Charles H. King, Donald K. Frevert . — New York : American Society of Civil Engineers, [1991]. — 90 p. ; 22 cm. — | 
|
| 6767 |
| Urban landscape dynamics : a multi-level innovation process / edited by Armando Montanari, Gerhard Curdes, Leslie Forsyth . — Aldershot : Avebury, [1993]. — 395 p. : fig., tab. ; 23 cm. — ( Urban Europe) | 
|
| 6768 |
| IAWPRC Conference on Urban Storm Water Quality and Ecological Effects upon Receiving Waters (2ª. 1989. Wageningen, The Netherlands)
Urban storm water quality and ecological effects upon receiving waters : proceedings of the second IAWPRC conference on urban storm water quality and ecological effects upon receiving waters, held in Wageningen, The Netherlands, 20-22 september 1989 / editors R. H. Aalderink, L. Lijklema, J. B. Ellis . — Oxford : Pergamon Press, [1990]. — 300 p. : tab., il., gráf. ; 25 cm. — | 
|
| 6769 |
| Urban waste waters : treatment for use in steam and power generation / K. M. Abdullaev [et al.] ; translation editor J. B. Joseph . — New York : Ellis Horswood, 1992. — 254 p. : gráf. ; 24 cm. — ( Ellis Horwood series in water and wastewater technology) | 
|
| 6770 |
| Higueras, Esther
Urbanismo bioclimático : criterios medioambientales en la ordenación de asentamientos / Esther Higueras . — [Madrid] : Instituto Juan de Herrera, 1998. — 79 p. ; 28 cm. — ( Cuadernos de investigación urbanística ;
24) | |
| 6771 |
| Laso Martínez, José Luis
Urbanismo y medio ambiente en el nuevo código penal / José Luis Laso Martínez ; prólogo de Ramón Parada . — Madrid : Marcial Pons, Ediciones Jurídicas y Sociales, 1997. — 238 p. ; 24 cm. — | 
|
| 6772 |
| Nielsen, Jakob
Usabilidad : diseño de sitios Web / Jakob Nielsen ; trad. Santiago Fraguas . — Madrid : Prentice Hall, 2001. — 416 p. : il. ; 24 cm. — | 
|
| 6773 |
| Nielsen, Jakob
Usabilidad : diseño de sitios Web / Jakob Nielsen ; trad. Santiago Fraguas . — Madrid : Prentice Hall, 2001. — 416 p. : il. ; 24 cm. — |
|
| 6774 |
| Nielsen, Jakob
Usabilidad : diseño de sitios Web / Jakob Nielsen ; trad. Santiago Fraguas . — Madrid : Prentice Hall, 2001. — 416 p. : il. ; 24 cm. — |
|
| 6775 |
| Benedict, Bob
Using Harvard Graphics Version 2 for Windows / Bob Benedict . — Indianapolis : Que Corporation, [1993]. — 524 p. : il. ; 24 cm. — | 
|
| 6776 |
| Using the market for cost-effectiva enviromental policy : market-based instruments in Europe / European Environment Agency . — Luxembourg : Office for Official Publications of the European Communities, 2006. — 44 p. : il. ; 30 cm. — ( EEA Report ;
1/2006) | |
| 6777 |
| Buñuel González, Miguel
El uso de instrumentos económicos en la política del medio ambiente / Miguel Buñuel González . — Madrid : Consejo Económico y Social, [1999]. — 311 p. ; 23 cm. — ( Estudios ;
75) | |
| 6778 |
| Jimeno Martínez, Victorino
Uso racional de los medicamentos / Victorino Jimeno Martínez . — Madrid : Farmaindustria, 1991. — 118 p. ; 22 cm. — | |
| 6779 |
| Uso sostenible del agua en Europa : gestión de la demanda / autores: C. Lallana ... [et al.] . — [Madrid] : Ministerio de Medio Ambiente, Secretaría General Técnica, Centro de Publicaciones, 2002. — 94 p. ; 30 cm. — | |
| 6780 |
| Uso sostenible del agua en Europa : fenómenos hidrológicos extremos : inundaciones y sequías / autores: Teodoro Estrela ... [et al.] . — [Madrid] : Ministerio de Medio Ambiente, Centro de Publicaciones, 2006. — 84 p. : gráf. ; 30 cm. — | |
