000 00299nam a2200133Ia 4500
008 160316s1981 xxu||||| |||| 00| 0 eng d
020 _a08039174499
100 _aR. E Rist
245 _aEarning And Learning
250 _a1st
260 _aLONDON
_bSAGE PUB .
_c1981
300 _a220
700 _a
_a
999 _c37656
_d37656