000 00357nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aSankrithi Krishnan, V.
245 _aIntroduction catogory theory
260 _c1981
546 _aEnglish
942 _2ddc
_cBK
999 _c21549
_d21549
005 20220125165923.0