00458nam a2200181Ia 4500003000400000005001700004008004100021020002200062040000700084041000800091082002100099100002100120245003800141260003600179300001600215365001400231650003100245OSt20230410165852.0210423s2016    xx            000 0 und d  a978-93-84229-56-6  cAL  aeng  a333.7 223bKUMD  aKUMAR (Eshendra)  aDBS handbook of natural resources  aNew DelhibD B S Imprintsc2016  axiv,698bHB  b6995cINR  aNatural Resources & Energy