@inproceedings{Dybvig:epsprelim,
author = {R. Kent Dybvig and Daniel P. Friedman and Christopher T. Haynes},
title = {Expansion-Passing Style: Beyond Conventional Macros},
booktitle = {Proceedings of the 1986 {ACM} Conference on {Lisp}
                   and Functional Programming},
pages = {143--150},
year = 1986,
annote = {Preliminary version of~\cite{Dybvig:eps}.}}