000 00266nam a2200109Ia 4500
008 191024s9999||||xx |||||||||||||| ||und||
100 _aGibson, Boyce W.R
245 4 _aThe Problem Of Logic
260 _bA. And C. Black
_aLondon
_c1930
650 _aLogic
942 _cBK
999 _c61682
_d61682