000 00331nam a2200121Ia 4500
082 _a574.509
_bHAW/H
100 _aHawley, Amos H
245 _aHuman ecology :
_b a theory of community structure /
_cby Amos H Hawley
260 _c1950.
_aNew York :
_bRonald press co,
300 _a456p. ;
650 _aHuman ecology
942 _cGEN
999 _c306053
_d306053