000 00291nam a22001214a 4500
084 _2Colon Classification
100 _aPearson ,E S
245 1 _aTracts for Computers Vol 5
250 _a2
260 _aCambridge:
_bUniversity Press,
_c1943.
300 _aviii;32p.:
_e00584.
942 _cBK
999 _c523208
_d523208