000 00336nam a2200109Ia 4500
001 77317
008 170722s9999 xx 000 0 und d
245 _aIntroduction to logic unit L1 Parts 1 to ix and unit L2 Parts x to xviii in 2v by Susan Wilson /
260 _bOpen uty press ,
_c1972,1976.
300 _a152+88
_c29.5cms
942 _cGEN
999 _c95092
_d95092