000 00277pam a2200109a 44500
008 160510b xxu||||| |||| 00| 0 eng d
082 _a020.5 P953
245 _aPROGRESS IN LIBRARY SCIENCE
_b
260 _a
_b
_c1967
300 _a,87,,,,,
650 _aLOGIC, SYMBOLIC AND MATHEMATICAL
999 _c479400
_d479400