00458nam a22001337a 4500008004100000040005500041080001600096245007900112260006800191300001100259650001300270653001700283700002400300230512b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a577.4bM0.3  aProgress in ecology c/ Today & Tomorrow's Printers and Publishers, Vol. 3  aNew Delhi: bToday & Tomorrow's Printers and Publishers,c1976   a198p.   aEcology   aEnvironment   aAgarwal, V P (Ed.)