000 00519 a2200265 4500
001 6436
020 _a0-335-04155-80
041 _aeng
080 _a557.4 Ope
245 _aEcology : man and ecology
250 _a
260 _aMilton Keynes
260 _bOpen University Press,
260 _c1974
300 _avarious p.
300 _c29 cm
490 _a
100 _aOpen University
700 _a
650 _a
650 _aEcology
650 _aBiotic communities
942 _cBK
942 _2UDC
999 _c7946
_d7946