000 00391nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a657.2 H1
100 _a"Holgate, H C F"
245 0 _aExchange Arithmetic
250 _a\\196605ENGGPSX
260 _aAuthor
260 _b1966
260 _clondon
300 _ax+148 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c18383
_d18383