1. Observing and Measuring Visual Double Stars
Author: \ R.W. Argyle (Editor)
Library: Library of Foreign Languages and Islamic Sources (Qom)
Subject: Double stars -- Observers' manuals,ستارههای دوگانه -- دستنامههای رصدکنندگان
Classification :
E-Book
,
2. Observing and Measuring Visual Double Stars
Author: \ Bob Argyle (Ed.)
Library: Library of Foreign Languages and Islamic Sources (Qom)
Subject: Double stars -- Observers' manuals,Astronomy,ستارههای دوگانه -- دستنامههای رصدکنندگان,نجوم
Classification :
E-Book
,
