00334nam a2200109Ia 4500082002400000100003300024245009700057260002900154300003100183500000500214700000500219  a309.13337bSi617.GE  aSingh, H. H. and others, ed.  aGeography and environment; issues and challenges; Prof. S. L. Kayastha falicitation volumeb  aNew DelhibConceptc1986  axvi, 384p. Index, Appendix  a  a