000 00393pam a2200145a 44500
082 _a510.6
_bAm32m
100 _aClifford, A. H.
245 1 _aTHE ALGEBRAIC THEORY OF SEMIGROUPS
260 _aProvidence
_bAmerican Mathematical Society
_c1961-
300 _a2 v.
440 _aAmerican Mathematical Society, No. 7
_v
700 _aPreston, G. B.
964 _gCIRC
997 _a72073 v. 1 C
999 _c424646
_d424646