Volume 21,
Number 1,
August 1993
Volume 21,
Number 2,
October 1993
Selected Papers of the Conference on Theoretical Aspects of Computer Software (TACS '91),
24-27 September 1991,
Sendai,
Japan
Volume 21,
Number 3,
December 1993
Copyright © Sun May 17 00:18:38 2009
by Michael Ley (ley@uni-trier.de)