Volume 14,
Number 1,
July 1992
Volume 14,
Number 2/3,
August/September 1992
Symbolic Computation in Combinatorics
Volume 14,
Number 4,
October 1992
Volume 14,
Number 5,
November 1992
Volume 14,
Number 6,
December 1992
Copyright © Sun May 17 00:11:21 2009
by Michael Ley (ley@uni-trier.de)