Observations of coments and asteroids at the Kleť Observatory in the year 1974
A. Mrkos (1976)
Acta Universitatis Carolinae. Mathematica et Physica
Similarity:
A. Mrkos (1976)
Acta Universitatis Carolinae. Mathematica et Physica
Similarity:
A. Mrkos (1980)
Acta Universitatis Carolinae. Mathematica et Physica
Similarity:
A. Mrkos (1972)
Acta Universitatis Carolinae. Mathematica et Physica
Similarity: