000 00362nam a2200157Ia 4500
008 131111s9999 xx 000 0 und d
100 _aSingh,Raj
245 _aTechniques of measurement and evolution
260 _aDelhi
260 _bCommonwealth
260 _c1994
300 _a432p.
650 _aEducation
_aTechniques
763 _a20304
942 0 0 _01
999 _c34760
_d34760