共 116 条
[2]
ALTENHOFF W, 1960, 59 VER U STERNW BONN
[4]
BAADE W, 1956, B ASTRON I NETH, V12, P312
[5]
BARAT J, 1960, CR HEBD ACAD SCI, V251, P2476
[6]
BEHR A, 1959, 126 VER UST GOTT
[7]
Berkhuijsen E. M., 1963, B ASTRON I NETH, V17, P185
[8]
BERKHUIJSEN EM, 1964, B ASTRON I NETH, V17, P465

