000 00307 a2200121 4500
080 _a301
_bL 863 S
245 1 _aSocial systems
_bEssay on their persistance and change
_cby C.P. Loomis
260 _aLondon
_c1960
650 _aSocial Systems
100 1 _aLoomis, C.P.
_d
300 _a349 pp.
901 _a69682
999 _c19921
_d19921