共 14 条
[1]
[Anonymous], APJ
[2]
*ASTR LAB GRON, 1921, PUB ASTR LAB GRON, V31
[3]
*ASTR LAB GRON, 1929, PUB ASTR LAB GRON, V43
[4]
*OBS LYON, 1936, PUB OBS LYON, V1
[5]
*PERK OBS, 1939, CONTR PERK OBS, V13
[6]
1939, AP J, V90, P209
[7]
1938, AP J, V88, P364
[8]
1928, AP J, V67, P24
[9]
1937, HARVARD ANN, V105
[10]
1934, ETUDE LUMIERE FOND C