Rational readings on environmental concerns

ग्रंथसूची विवरण

अन्य लेखक:	Lehr, Jay H. 1936-
Resource Type:	पुस्तक
भाषा:	English
प्रकाशित:	New York Van Nostrand Reinhold c1992.
विषय:	Pollution > Environmental aspects. Ecology. Environmental policy. Environmental protection.