000 00318nam a2200157Ia 4500
020 _aNULL
082 _a575.1
100 _aOld, R. W.
245 0 _aPrincipal Of General Manipulation
250 _a1989
260 _aOxford
_bBlackwell Publishing
300 _a438
500 _a550
650 _a-
942 _cBK
999 _c33981
_d33981