000 00272nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a657.3
_bGOV
100 _aGovinda Menon, G
245 0 _aEstimating
260 _aTrivandrum
_bState Inst of Languages
_c1974
942 _cBK
999 _c22821
_d22821