000 00263nam a2200121Ia 4500
100 _aPietrasinski, Zbigniew
942 _cBK
654 _a
245 _aArt of learning
260 _aOxford
_bPergamon Press
_c1969
082 _a371.3
300 _c20.3
_ax,(2),138
999 _c376507
_d376507
041 _aeng