共 5 条
[1]
Ganesan, 1929, INDIAN J PHYS, V4, P195
[2]
On the elimination of errors when wire screens are used as neutral filters for photographic photometry
[J].
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA AND REVIEW OF SCIENTIFIC INSTRUMENTS,
1929, 18 (06)
:492-502
[3]
PAL, 1930, INDIAN J PHYS, V5, P13
[4]
PAL, 1930, INDIAN J PHYS, V5, P609
[5]
VENKATESWARAN S, 1928, INDIAN J PHYS, V3, P105