000 00245nam a2200097 4500
245 _aLetter press technic
_cN.C. Jain
100 _aJain, N.C.
260 _aDelhi
_bHari Bihari Prakashan
_c1988
300 _a164p.:ill.; 23cm.
082 _aH
_b686.2 JAI
999 _c45749
_d45749