Ralph Holland: citations
- media:2016-PROCEEDINGS of the International Conference on “Microwave and THz Technologies, Photonics and Wireless Communications.pdf [1]
- media:W4NRL L. B. Cebik The All-Band Center-Fed Inverted-L.pdf[2]
- https://www.nonstopsystems.com/radio/pdf-ant/article-short-verts-VK1.pdf
- https://worldradiohistory.com/hd2/IDX-AUSTRALIA/IDX/Amateur-Radio/90s/Amateur-Radio-AU-1996630.pdf
- media:Frank 20m half size yagi.pdf[3]
- https://www.qsl.net/yo4aul/siteyo/antprojects.htm
- https://pe2bz.philpem.me.uk/Comm/-%20Antenna/A-114-ShortVertAntennas-and-Ground/shortvert.htm
- https://www.dxzone.com/top-amateur-radio-links-week-issue-174/
- https://webclass.org/k5ijb/antennas/All-band-inverted-L.htm
- http://www.iz6cus.it/old_web/eng/440_en.htm
- https://worldradiohistory.com/hd2/IDX-AUSTRALIA/IDX/Amateur-Radio/90s/Amateur-Radio-AU-1997619.pdf
- https://worldradiohistory.com/hd2/IDX-AUSTRALIA/IDX/Amateur-Radio/90s/Amateur-Radio-AU-1999328.pdf
- https://pe2bz.philpem.me.uk/Comm01/-%20-%20Ion-Photon-RF/-%20MagnetoTuluric/-%20EMLIB/NEC/swindex.html
- https://xoomer.virgilio.it/1op177/Collegamenti_utili.html
- http://w5jbo.weebly.com/antenna-links.html
- media:VE2AZV Portable Vertical Antenna for 75m & 40m.pdf[4]
- http://www.estpak.ee/~andrew/ham/ant.htm
- http://ok1ike.c-a-v.com/soubory/anteny/ant160m.htm
- media:SP5JNW.pdf[5]
- https://archive.org/stream/ar1949/AR_1997_djvu.txt
- http://www.dxer.org/links.html
- https://www.i1wqrlinkradio.com/antype/System_grounding.html
- https://worldradiohistory.com/hd2/IDX-AUSTRALIA/IDX/Amateur-Radio/90s/Amateur-Radio-AU-1997619.pdf