000 00354nam a2200157Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c150
040 _aBED
082 _a158.7 OKS R
100 _aOKSHA, R. K.
_93811
245 0 _aAUDYOGIK MANOVIGYAN
260 _bAGARWAL PUBLICATION
_aNEW DELHI
300 _a496p.
500 _a1792
942 _cBK
999 _c1792
_d1792