00376nam a2200157Ia 4500008004100000020001800041082000800059100001700067245002700084250000600111260002800117300001600145500002400161650001800185700001500203230524s9999    xx            000 0 und d  a9788189897055  bKUM  a H. D. Kumar 0aEnvironmental Studies   a1  aNoidabIndia Techc2014  a"XVI,275p;"  aQuantity Number:  1  aEnvironmental  a U. N. Das