Editing Numbers station (section)

== Further reading ==
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* {{cite journal |last=Beaumont |first=Paul |journal=Radio User |date=November 2012 |title=Numbers Stations: A Modern Perspective (Part&nbsp;1) |pages=50–53 |publisher=PW Publishing |location=Poole, UK |issn=1748-8117}}
* {{cite journal |last=Beaumont |first=Paul |journal=Radio User |date=January 2013 |title=Numbers Stations: A Modern Perspective (Part&nbsp;2) |pages=50–55 |publisher=PW Publishing |location=Poole, UK |issn=1748-8117}}
* {{cite journal |last=Bury |first=Jan |journal=Cryptologia |volume=31 |issue=4 |date=October 2007 |title=From the Archives: The U.S. and West German Agent Radio Ciphers |pages=343–57 |doi=10.1080/01611190701578104 |s2cid=205487634 |url=http://www.swldxer.co.uk/polish.mht |archive-url=https://web.archive.org/web/20121223120639/http://www.swldxer.co.uk/polish.mht |url-status=usurped |archive-date=23 December 2012 |issn=0161-1194}}
* {{cite journal |last=Friesen |first=Christopher |journal=[[Radio World]] |volume=38 |issue=2 |date=15 January 2014 |pages=12, 14 |title=Spy 'Numbers Stations' Still Enthrall |url=https://www.researchgate.net/publication/340451591_Spy_Numbers_Stations_Still_Enthrall |issn=0274-8541}}
* {{cite book |last=Moon |first=Havana |title=Uno, Dos, Cuatro: A Guide to the Numbers Stations |publisher=Tiare Publications |location=Lake Geneva, WI |year=1987 |isbn=0-936653-06-X |url=http://www.numbersoddities.nl/unodoscuatro.pdf |access-date=24 December 2013}}
* {{cite book |last=Pierce |first=Langley |title=Intercepting Numbers Stations |publisher=Interproducts |location=Perth, UK |year=1994 |isbn=0-9519783-4-9}}
* {{cite book |last=Schimmel |first=Donald W. |title=The Underground Frequency Guide: A Directory of Unusual, Illegal, and Covert Radio Communications |edition=3rd |chapter=1. Numbers Stations |pages=1–28 |publisher=High Text Publications |location=Solana Beach, California |year=1994 |isbn=1-878707-17-5}}
* {{cite journal |last=Smolinski |first=Chris |journal=[[Popular Communications]] |date=February 1998 |pages=8–10 |title=Spy Numbers Stations: Have You Heard Them? |publisher=CQ Communications |location=Hicksville, NY |issn=0733-3315}}
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