000 00286 a2200121 4500
041 _aEnglish
082 _a591.1
_bZOO
245 _aZoology
_b ecology block-1
260 _c1985
_aSri Lanka
_bThe Open University
_g1985
300 _a119p.
650 _aZoological Sciences
942 _cLEB
999 _c22315
_d22315