1. Using Commercial Amateur Astronomical Spectrographs
Author: \ Jeffrey L. Hopkins
Library: Library of Foreign Languages and Islamic Sources (Qom)
Subject: Astronomical spectroscopy.,Astronomy, Observations and Techniques.,طیفسنجی نجومی
Classification :
E-Book
,
2. Zen and the art of photoelectric photometry
Author: Hopkins, Jeffrey L
Library: Special Library of University of Religions (Qom)
Subject: ، Astronomical photometry
Classification :
QB
135
.
H67
1990