THE CASTOR SYSTEM

[1] DOBERCK W, 1921, ASTR NACHR

[2] DOCOBO JA, 1987, PUB U ZARAGOZA

[3] HEINTZ WD, 1960, VEROFF STERNW MUNCHE, V5, P93

[4] HOLMBERG E, 1948, LUND MEDDEL, V1, P168

[5] Muller P., 1956, B ASTRON SOC PARIS, V20, P145

[6] RABE W, 1958, ASTRON NACHR, V284, P97

[7] RABE W, 1922, ASTR NACHR, V216, P49

[8] Vinter Hansen J.M., 1940, LICK OBSER B, V19, P89

[1] DOBERCK W, 1921, ASTR NACHR

[2] DOCOBO JA, 1987, PUB U ZARAGOZA

[3] HEINTZ WD, 1960, VEROFF STERNW MUNCHE, V5, P93

[4] HOLMBERG E, 1948, LUND MEDDEL, V1, P168

[5] Muller P., 1956, B ASTRON SOC PARIS, V20, P145

[6] RABE W, 1958, ASTRON NACHR, V284, P97

[7] RABE W, 1922, ASTR NACHR, V216, P49

[8] Vinter Hansen J.M., 1940, LICK OBSER B, V19, P89