61
Published 1988
Springer Netherlands
Subjects: ...Astronomy / Observations...

62
Published 1988
Springer Netherlands
Subjects: ...Astronomy / Observations...

65
Published 1987
Springer Netherlands
Subjects: ...Astronomy / Observations...

66
Published 1987
Springer Netherlands
Subjects: ...Astronomy / Observations...

67
Published 1987
Springer Netherlands
Subjects: ...Astronomy / Observations...

68
Published 1986
Springer Netherlands
Subjects: ...Astronomy / Observations...

69
Published 1986
Springer Netherlands
Subjects: ...Astronomy / Observations...

71
Published 1986
Springer Netherlands
Subjects: ...Astronomy / Observations...

73
by Ferronsky, V.I., Denisik, S.A., Ferronsky, S.V.
Published 1987
Springer Netherlands
Subjects: ...Astronomy / Observations...

75
Published 1984
Springer Netherlands
Subjects: ...Astronomy / Observations...