[1]
[CITE@en[Web Services Description Language (WSDL) Version 2.0 Part 1: Core Language]] ([CODE[2007-06-20 02:08:41 +09:00]] 版) <http://www.w3.org/TR/2007/REC-wsdl20-20070626/#bnfpseudoschemas>
([[名無しさん]])

[2]
[CITE@en-US[Web Services Policy 1.5 - Framework]] ([CODE[2007-08-29 09:56:07 +09:00]] 版) <http://www.w3.org/TR/2007/REC-ws-policy-20070904/#Notational_Conventions>
([[名無しさん]])


[3]
[CITE@en-US[Web Services Policy 1.5 - Attachment]] ([TIME[2007-08-29 10:10:17 +09:00]] 版) <http://www.w3.org/TR/2007/REC-ws-policy-attach-20070904/#NotationalConventions>

[4]
[CITE[RIF Production Rule Dialect]] ([TIME[2010-06-22 23:52:51 +09:00]] 版) <http://www.w3.org/TR/2010/REC-rif-prd-20100622/#BNF_pseudo-schemas>


[5] [CITE@en[Web Services Transfer (WS-Transfer)]]
( ([TIME[2011-12-13 19:50:34 +09:00]] 版))
<http://www.w3.org/TR/2011/REC-ws-transfer-20111213/#conven>