000 00295nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a620.103
_bRAM
100 _aRamaswamy, GS
245 0 _aSI units a source book
260 _bBombay: Tata Mac Graw Hill
_c1971
300 _a109
942 _2ddc
999 _c78010
_d78010