000
002580000a22001090004500
245
_a
Modern physics : selected readings
100
_a
Webber, David, ed.
260
_a
Harmondsworth
_b
Penguin
_c
1971
080
_a
539(082.2)
_b
W4
041
_a
EN
942
_c
BK
999
_c
93511
_d
93511