McGraw-Hill Encyclopedia of Science & Technology:  An international reference work in twenty volumes including an index /  Vol. 10  Lep-Mes 
edit. Jonathan Weil, Betty Richman, Ginger Berman a.o.: 
 - 7th ed. 
 - New York ;  St. Louis, a.o. :  McGraw-Hill, Inc.,  1992. 
 - 675 p. 
<br/><br/><label>ISBN: </label>0-07-909206-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Encyclopedias<br/>Technology-Encyclopedias