Periskop (Malay Wikipedia)

Analysis of information sources in references of the Wikipedia article "Periskop" in Malay language version.

Last modified: 10:37:59, 22 October 2021 (UTC)

Ref.Un. Ref.Website

Global rank Malay rank

32books.google.com

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books.google.com (Global: 3^rd place; Malay: 4^th place)

Bruce H. Walker (2000). Optical Design for Visual Systems. SPIE Press. m/s. 117. ISBN 978-0-8194-3886-7.
The Submarine Periscope: An Explanation of the Principles Involved in Its Construction, Together with a Description of the Main Features of the Barr and Stroud Periscopes. Barr and Stroud Limited. 1928.