000 00506 a2200193 4500
003 ISURu
005 20240721203932.0
020 _a0878720707
041 _aeng
082 _a910.02
_bMAN
090 _d63795
100 _aRusswurm, Lorne H
_eed
_9131337
245 _aMan's natural environment
_ba systems approach
260 _aMassachusetts
_bDuxbury Press
_c1974
_g1974
300 _aviii,334 p.
_bill.
700 _aSommerville, Edward
_eed
_9131338
942 _cR
999 _c51397
_d63795
945 _dMain Library ADMIN
_c26318