@inproceedings{ Crowl88g,
author          = "Lawrence A. Crowl",
title           = "Concurrent Data Structures and {Actor} Programming
                  under the {Matroshka} Model",
booktitle       = "Proceedings of the ACM SIGPLAN 1988 Workshop on
                  Object-Based Concurrent Programming",
pages           = "79--80",
month           = sep,
year            = 1988,
note            = "reprinted in ACM SIGPLAN Notices 24(4), April 1989" }