@inproceedings{Ashley:mvalues,
author = {J. Michael Ashley and R. Kent Dybvig},
title = {An efficient implementation of multiple return values in {Scheme}},
booktitle = {Proceedings of the 1994 {ACM} Conference on {Lisp}
                   and Functional Programming},
pages = {140--149},
month = jun,
year = 1994,
texturl = "http://www.cs.indiana.edu/~dyb/pubs/mrvs.pdf",
annote = {Describes Chez Scheme's implementation of the Scheme multiple
return values interface.}}