000 00252nam a2200109Ia 4500
008 220201s1979 xx 000 0 eng d
100 _aBALLANEY P L
245 0 _aTHEORY OF MACHINE
260 _aDELHI
_bKHANNA PUB
_c1979
300 _a1208
942 _2ddc
999 _c89695
_d89695