000 00340nam a2200133Ia 4500
008 160316s1985 xxu||||| |||| 00| 0 eng d
020 _a
100 _aDouglas H. Boucher
245 _aThe Biology Mutualism
250 _a1st
260 _aNEW DELHI
_bINTERNATIONAL BOOKS & PERIODICALS SUPPLY SERVICE
_c1985
300 _a388
700 _a
_a
999 _c11428
_d11428