Klamkin, Murray S. <br/><br/>
International Mathematical Olympiads, 1978-1985 And Forty Supplementary Problems 
/ by Murray S. Klamkin 
 - Washington, DC: ( Volume-31 )  The Mathematical Association Of America:  1999. 
 - xii, 150p. 
<br/><br/><label>ISBN: </label>088385631X 
<br/><br/><label>Dewey Class. No.: </label>511  / KLA/I