Wright, Richard T. Environmental science toward a sustainable future - Eight Edition - New Delhi Prentice, hall of India 2002 - xxi, 681 pages : color illustrations 29 cm ISBN: 9788120321571 Subjects--Topical Terms: Civil Engineering LC Class. No.: 628 WRI 2002 Dewey Class. No.: 628 WRI 2002 National Library of Medicine Call No.: 628 WRI 2002