000 00239 a2200097 4500
001 7996
100 _aRobins, L
245 _aAn essay on the nature and significance of Ecological science
260 _a
_bMacmillan
_c
090 _c6405
_d6405
942 _aNUST-CAE
_cM
_c32940
999 _c243069
_d243069