000
00305pam a2200145a 44500
040
_c
IITK
041
_a
eng
082
_a
535
_b
J147i
100
_a
Jacob, L.
245
1
_a
An introduction to electron optics
260
_a
London
_b
Methuen
_c
1951
300
_a
150p
650
_a
Optics
942
_c
BK
999
_c
388473
_d
388473