00446nam a2200145Ia 4500003000400000005001700004008004100021040000900062082002000071100001700091245007400108260004800182630002800230650004200258OSt20220730143309.0211122s9999||||xx |||||||||||||| ||und||  cSBCL  a577.2703bTRI-E  aP R, Trivedi 0aEncyclopedia of Environment Pollution,Planning and Conservation Vol 2  bP h Publishing CorporationaNew Delhic1998  xPost Graduate Reference  aLife ScincesvBiologyEcologyChemistry