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William Paolini
W.P.
ยท
William P.
title
ISBN-13
(ISBN-10)
year of publication
Choosing and Using Astronomical Eyepieces
978-1-4614-7723-5
(1-4614-7723-9)
2014
Choosing and Using Astronomical Eyepieces
978-1-4614-7722-8
(1-4614-7722-0)
2013
William Papas