000 00277 a2200121 4500
080 _a389.1
_bR 215 G
245 1 _aGuide to the metric system
_cby V.V.L. Rao
260 _aBombay
_c1962
650 _aMetric System
100 1 _aRao, V.V.L.
_d
300 _a64 p.
901 _a71504
999 _c23962
_d23962