| 1 |
| Seminar on Anaerobic Digestion of Sewage Sludge and Organic Agricultural Wastes (1984. Athens)
Anaerobic digestion of sewage sludge and organic agricultural wastes / organized by the Commission of the European Communities. Directorate-General Science, Research and Development. Environmental Research Programme ; edited by A. M. Bruce, A. Kouzeli-Katsiri, P. J. Newman. — London : Elsevier applied science publishers, [1986]. — 155 p. : il., gráf., tab. ; 23 cm. — |  |
| 2 |
| International Conference on Metals in Soils, Waters, Plants, and Animals (Orlando. 1990)
Metal ecotoxicology : concepts and applications / edited by Michael C. Newman, Alan W. McIntosh. — Chelsea : Lewis, 1991. — 399 p. : gráf., tab. ; 24 cm. — ( Advances in trace substances research) |  |
| 3 |
| Treatment and use of sewage sludge and liquid agricultural waste : review of COST 68/681 programme, 1972-90 / Commission of the European Communities. Directorate-General Science, Research and Development ; edited by J. E. Hall, P. J. Newman, P. L´Hermite. — Luxembourg : Office for Official Publications of the European Communities, 1992. — VIII, 230 p. ; 23 cm. — |  |
