1. Double and multiple stars and how to observe them

پدیدآورنده :

کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)

موضوع : Multiple stars -- Observations.,Multiple stars.

رده :
QB821
.
J364
9999

2. Double and multiple stars and how to observe them

کتابخانه: Central Library and Documents Center of Mazandaran University (Mazandaran)

موضوع : Multiple stars ; Observers' manuals. ; Multiple stars ; Observations. ;