000 00316nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a537.5
_bHEI/E
100 _aHEINZ GRAFF
245 0 _aELECTRONICOM
250 _a1st Ed.
260 _bKerala Bhasha Institute, Thiruvananthapuram
_aTrivandrum
_c1973
942 _cBK
999 _c13779
_d13779