INTERSTELLAR EXTINCTION IN GALAXY

[11] Divan L., 1954, ANN ASTROPHYS, V17, P456

[12] HALLAM K, 1959, THESIS U WISCONSIN

[13] Hoag A. A., 1961, PUBL US NAVAL OBS, V17, P349

[14] HOUCK TE, 1956, THESIS U WISCONSIN

[15] HULST HCV, 1949, RECH OBS UTRECHT 1, V11, P1

[16] Johnson H.L., 1963, BASIC ASTRONOMICAL D, P204

[17] Johnson H. L., 1963, B ASTRON I NETH, V17, P115

[18] GALACTIC CLUSTER NGC 2244 [J]. ASTROPHYSICAL JOURNAL, 1962, 136 (03) : 1135 - &

[19] PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS OF THE DOUBLE CLUSTER IN PERSEUS [J]. ASTROPHYSICAL JOURNAL, 1955, 122 (03) : 429 - 433

[20] OBSERVATIONAL CONFIRMATION OF A THEORY OF STELLAR EVOLUTION [J]. ASTROPHYSICAL JOURNAL, 1956, 123 (02) : 267 - 277

[11] Divan L., 1954, ANN ASTROPHYS, V17, P456

[12] HALLAM K, 1959, THESIS U WISCONSIN

[13] Hoag A. A., 1961, PUBL US NAVAL OBS, V17, P349

[14] HOUCK TE, 1956, THESIS U WISCONSIN

[15] HULST HCV, 1949, RECH OBS UTRECHT 1, V11, P1

[16] Johnson H.L., 1963, BASIC ASTRONOMICAL D, P204

[17] Johnson H. L., 1963, B ASTRON I NETH, V17, P115

[18] GALACTIC CLUSTER NGC 2244 [J]. ASTROPHYSICAL JOURNAL, 1962, 136 (03) : 1135 - &

[19] PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS OF THE DOUBLE CLUSTER IN PERSEUS [J]. ASTROPHYSICAL JOURNAL, 1955, 122 (03) : 429 - 433

[20] OBSERVATIONAL CONFIRMATION OF A THEORY OF STELLAR EVOLUTION [J]. ASTROPHYSICAL JOURNAL, 1956, 123 (02) : 267 - 277