[1] Metcast Retriever ( (oleg@pobox.com 著, 2001-10-30 20:24:02 +09:00 版)) <http://okmij.org/JMV-TNG/Retriever.html>

[2] Met-cast HTTP ( (oleg-at-pobox.com 著, 2003-10-07 04:24:02 +09:00 版)) <http://okmij.org/JMV-TNG/Met-Cast-HTTP.html>