@techreport{plt-tr2004-4-v209, author = {PLT}, title = {{PLT} {MzLib}: Libraries Manual}, number = {PLT-TR2004-4-v209}, type = {Reference Manual}, institution = {PLT Scheme Inc.}, month = {December}, year = {2004}, url = {http://download.plt-scheme.org/doc/209/pdf/mzlib.pdf}, note = {\url{http://plt-scheme.org/techreports/}} }