European sources of scientific and technical information  : technology-information services-Directories 

 - 11th ed. 
 - New York:  Stockton Press,  1994. 
 -  ix, 388p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>156159122x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services-Europe-Directories
<br/><br/><label>Dewey Class. No.: </label>607.4  / EUR