000 00313nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c250
040 _aET
100 _aMISHRA, K.P.
245 0 _aTHEORY OF COMP. SCIENCE
260 _bPHI LEARNING
_aDELHI
300 _a422
500 _a16579
942 _cBK
999 _c22811
_d22811