Science and technology desk reference  1,500 answers to frequently-asked or difficult-to-answer questions 
/ The Carnegie Library of Pittsburgh Science and Technology Department 
 - Detroit, Mich.  Gale Research Co.  1993 
 - xviii, 741 p. : ill. ; 25 cm. 
<br/><br/>Includes bibliographical references (p. 639-666) and index. 
<br/><br/><label>ISBN: </label>0810388847 
<br/><br/><label>LCCN: </label>92-075423 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Miscellanea<br/>Technology--Miscellanea