@techreport{RISC1931,
author = {Peter Paule},
title = {{An Algorithmic Construction of Combinatorial Bijections as an Application of a Lemma of Ingleton and Piff}},
number = {90-66},
year = {1990},
sponsor = { Austrian Forschungsf"{o}rderungsfonds, project no. P7220},
type = {RISC Report Series},
institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
address = {Schloss Hagenberg, 4232 Hagenberg, Austria}
}