000 00315nam a2200133Ia 4500
008 160316s1979 xxu||||| |||| 00| 0 eng d
020 _a0123187508
100 _aEfraim Halfon
245 _aTheoretical Systems Ecology
250 _a1st
260 _aNEW YORK
_bACADEMIC PRESS
_c1979
300 _a516
700 _a
_a
999 _c11632
_d11632