000 00372cam a22001331 4500
082 _a301.34
_bNEL.C
084 _2Colon Classification
100 1 _aNelson, Lowry
245 1 0 _aCommunity structure and change /
_bby Lowry Nelson, Charles E Ramsey and Coolie Verner
260 _aNew York,
_bMacmillan
_c1960.
300 _a464p. :
650 0 _aCommunities.
942 _cBK
999 _c644640
_d644640