00615nam a2200193Ia 450000500170000000800410001702000120005804000190007004100120008908200160010110000220011724501480013926000480028730000190033565000260035465100160038070000150039685000100041120220620150421.0131103s9999    xx            000 0 und d  cRs 140   aLoreto College  aEnglish  a304.28bGUH  aGuha Bakshi, D.N. 2aA text book of environmental scienceb for degree course (General and Honours) cDr. D.N. Guha Bakshi, Dr. Subir Sen, Shri Samar Kumar Banerjee  aKolkatabCalcutta Book House (P) Ltd.c2001  axiv,400pb ill  aEnvironmental Science  aEnvironment  aSen, Subir  aLCLIB