000
00268nam a22000857a 4500
008
210302b ||||| |||| 00| 0 eng d
050
_a
QC507
245
_a
Early electrodynamics
_b
the first law of circulation
_c
TRCKER, R.A.R.
942
_2
lcc
_h
QC507 .T75 1965
999
_c
1298
_d
1298