TY - BOOK AU - Gilbert M. Masters TI - Introduction to environmental engineering and science SN - 81-203-0881-6 U1 - 574.5 PY - 1991/// CY - New Delhi PB - Prentice-Hall of India Pvt Ltd N1 - Gilbert M. Masters: Introduction to environmental engineering and science. New Delhi. Prentice-Hall of India Pvt Ltd, 1991. 81-203-0881-6--(574.5MAS) ER -