00270nam a22001097a 4500003000400000008004100004082001400045100001800059245003300077260004200110300000800152OSt240614b        |||||||| |||| 00| 0 eng d  a581bG96T  aAmbasht, R.S.  aA Textbook of Plant Ecologuy  aStudent's frugnedbUBSPD, Patnac1981  a673