00341nam a22001217a 450000500170000002000190001703500130003603700130004910000220006224500670008426000450015130000230019620120618111858.0  a8170242592c00  aA-709825  aDPLbENG  aMenaria, Rajendra  aEnvironmental conservation and planning /cby Rajendra Menaria  aNew DelhibAshish Publishing Housec1989  axi, 164p.c18 cms.