@techreport{plt-tr2009-html-v4.2.3,
author = {PLT},
title = {{HTML}: Parsing Library},
number = {PLT-TR2009-html-v4.2.3},
type = {Reference Manual},
institution = {PLT Scheme Inc.},
month = {December},
year = {2009},
url = {http://download.plt-scheme.org/doc/4.2.3/pdf/html.pdf},
note = {\url{http://plt-scheme.org/techreports/}}
}