000
00424nam a2200109Ia 4500
008
160615s9999||||xx |||||||||||||| ||und||
008
160616s 000 0
100
_a
Rao, V.V.L.
245
_a
International systems of units
942
_c
BK
_2
BK28528
080
_a
IMSC R58
999
_c
28528
_d
28528