%% You should probably cite rfc4153 instead of this I-D. @techreport{ietf-trade-voucher-lang-07, number = {draft-ietf-trade-voucher-lang-07}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-trade-voucher-lang/07/}, author = {Ko Fujimura and Donald E. Eastlake 3rd and Masayuki Terada}, title = {{XML Voucher: Generic Voucher Language}}, pagetotal = 21, year = 2005, month = jan, day = 14, abstract = {This document specifies rules for defining voucher properties in XML syntax. A voucher is a logical entity that represents a right to claim goods or services. A voucher can be used to transfer a wide range of electronic values, including coupons, tickets, loyalty points, and gift certificates, which often have to be processed in the course of payment and/or delivery transactions. This memo provides information for the Internet community.}, }