Human health and environment - New Delhi: A. P. H. Publishing Corporation, 1997 - x, 270p. Vol.1; ISBN: 8170248469; x, 270p.Vol.2; ISBN: 8170248590; ix, 345p. ISBN: 8170248469 Subjects--Topical Terms: Human ecology Subjects--Index Terms: South Asia Universal Decimal Class. No.: 504:613/614 / N7.1