000 00375nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e118759
_aMAIN
041 _aEnglish
082 _a574.5 O2E
100 _aOpen University
245 0 _aEcology block D man & ecology. unit 15-16.
260 _aMilton keyness
_bOpen University
_c1974
300 _a56p. p.
942 _cBK
999 _c42310
_d42310