00278nam a2200109Ia 4500008004000000082001500040100001900055245003200074260003100106300001200137650001900149210210b1978   xxu||||| |||| 00| 0 eng d  a574.5 SENC  aSEN (David N).  aConcepts in Indian ecology.  aDelhibS. Nagin & Coc1978  axii,330  aIndian ecology