Description: Encyclopaedia of ecology, environment and pollution

Main Author:	Chitkara, M. G.
Language:	English
Published:	New Delhi, India: APH Publishing Corporation, 1998.
Subjects:	Pollution -- > Environmental aspects Environmental engineering Environmental protection

Physical Description:	15 v.: ill., maps; 25 cm..
ISBN:	8170248876 (vol.vii) 8170248809 (set)