000 00323nam a2200157Ia 4500
082 _a389.152
_bR215.GM
100 _aRao, V. V. L.
245 _aGuide to the metric system
_b
260 _aBombay
_bAsia
_c1962
300 _axi, 64p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a9043
999 _c9043
_d9043