000 00364nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aSaunders Mac Lane
_92708
245 0 _aProceedings Of The National Academy Of Sciences
260 _c1967
_bThe National Academy Of Science
_aUSA
300 _aP.1059-1950
300 _bV.56
942 _cJRBV
999 _c26794
_d26794