Galactic rotation and absorption

[1] OORT, 1927, BAN, V4, P80

[2] 1939, AP J, V89, P238

[3] 1939, AP J, V90, P209

[4] MT W CONTR, V604, P21

[5] 1932, PUB LICK OBS, V18

[6] 1930, LICK OBS B, V14, P154

[7] 1940, AP J, V91, P191

[8] 1927, BAN, V3, P275

[9] 1935, MN, V95, P562

[10] 1930, STAR CLUSTERS, P135

[1] OORT, 1927, BAN, V4, P80

[2] 1939, AP J, V89, P238

[3] 1939, AP J, V90, P209

[4] MT W CONTR, V604, P21

[5] 1932, PUB LICK OBS, V18

[6] 1930, LICK OBS B, V14, P154

[7] 1940, AP J, V91, P191

[8] 1927, BAN, V3, P275

[9] 1935, MN, V95, P562

[10] 1930, STAR CLUSTERS, P135