000 00308cam a22001217a 4500
008 180718b1972 xxu||||| |||| 00| 0 eng d
082 _aF1 J135
100 _aJackson, J.A.
245 _aRole
_cby J.A. Jackson
260 _aLondon
_bCambridge University Press
_c1972
300 _a152p.
650 _aRole Theory
999 _c346851
_d346851