000 00248nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a330(048)(548.1)
_bTEC
245 0 _aTechno economic survey of Madras
260 _aDelhi
_bNCAER
_c1961
942 _cBK
999 _c23842
_d23842