00450nam a2200193Ia 4500003000400000005001700004008004100021020000600062040000700068041000800075082002100083100001000104245003500114260003800149300001200187365001200199650001400211650003100225OSt20230412115957.0210423s2009    xx            000 0 und d  a-  cAL  aeng  a333.7 223bHIND  aHINDU  aSurvey of the environment 2009  aChennaibKasturi & Sons Ltdc2009  a152bPB  b60cINR  aEconomics  aNatural Resources & Energy