000 00293nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
041 _aENG
100 _aRIBAR,L JOHN
245 0 _aC DISC TUTOR
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1992
300 _a460
942 _2ddc
999 _c60682
_d60682