Handbook of commercial and industrial facilities management / Willian Wrennall, Quaterman Lee, ed. — New york (etc.) : McGraw-Hill, 1994. — 592 p. ; 24 cm. — ISBN 0-07-071935-7 1. Empresas - Gestión. I. Wrennall, Willian, ed.. II. Lee, Quaterman, ed.. 658.012