ARE BINARIES CONCENTRATED TOWARD THE CENTERS OF OPEN CLUSTERS

[21] Rabe W, 1961, PUB MUNICH OBS, V6, P2

[22] SPITZER L, AP J

[23] Trumpler R. J., 1938, LICK OBS B, V18, P167

[24] UNDERHILL A, 1952, PUB DOM AP OBS, V9, P237

[25] van Bueren H. G., 1952, BAN, V11, P385

[26] VANALBADA TS, 1968, B ASTRON I NETH, V19, P479

[27] [No title captured]

[21] Rabe W, 1961, PUB MUNICH OBS, V6, P2

[22] SPITZER L, AP J

[23] Trumpler R. J., 1938, LICK OBS B, V18, P167

[24] UNDERHILL A, 1952, PUB DOM AP OBS, V9, P237

[25] van Bueren H. G., 1952, BAN, V11, P385

[26] VANALBADA TS, 1968, B ASTRON I NETH, V19, P479

[27] [No title captured]