http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the International Conference "Algebraic Theory of Semigroups and Its Applications" held at the California State University, Chico, April 10.12, 1986
Proceedings of the International Conference held at the California State University, Chico, April 10-12, 1986
edited by Simon M. Goberstein, Peter M. Higgins.