000 00221nam a2200085 4500
080 _a681.3.066C
_bHAN.87
245 _aProficient C
_bHANSEN, Augie
260 _aWashington
_bMicrosoft Press
_c1987
300 _axvii+492p
500 _aDonated by Dr Amit Jain
999 _c40142
_d40142