000 00340cam a22001217a 4500
008 180718b1950 xxu||||| |||| 00| 0 eng d
082 _aBA2 H316
100 _aHowlay, Amos H.
245 _aHuman ecology: a theory of community structure
_cby Amos H. Hawlay
260 _aNew York
_bRonald
_c1950
300 _a456p.
650 _aHuman ecology.
999 _c367905
_d367905