000
00240nam a22000857a 4500
008
210226b ||||| |||| 00| 0 eng d
050
_a
QC23 .K53
245
_a
Discovering physics
_c
KNAUSS, HAROLD P.
942
_2
lcc
_h
QC23 .K53 1951
999
_c
944
_d
944