Semigroups / 
edited by T. E. Hall, P. R. Jones, G. B. Preston. 
 - New York :  Academic Press,  1980. 
 - 255 p. :  23 cm. 
<br/><br/> Papers presented at a conference held at Monash University, Australia, Oct. 27-30, 1979 
<br/><br/><label>ISBN: </label>0123194504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Semigroups--Addresses, essays, lectures.