000 00496 a2200253 4500
001 5570
020 _a0-335-01002-41
041 _aeng
080 _a51 Ope
245 _aOperations and morphisms
250 _a
260 _aMilton Keynes
260 _bOpen University Press,
260 _c1970
300 _axi,40 p.
300 _c28.5 cm
490 _a
100 _aOpen University
700 _a
650 _a
650 _aMorphisms (Mathematics)
942 _cBK
942 _2UDC
999 _c6906
_d6906