ISBN 0521576695 books & textbook
Semigroup Theory and its Applications: Proceedings of the 1994 Conference Commemorating the Work of Alfred H. Clifford (London Mathematical Society Lecture Note Series, Series Number 231)
Hofmann, Karl H. Mislove, Michael W.
Cambridge University Press /1996-05-31 Paperback / 176 Pages
isbn-10: 0521576695 / isbn-13: 9780521576697