Directory of scientific directories, a world guide to scientific directories including medicine, agriculture, engineering, manufacturing and industrial directories 
comp. Anthony P. Harvey 
 - 272 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Científicos.<br/>Instituciones y sociedades doctas--Directorios.<br/>Sociedades científicas--Directorios.
<br/><br/><label>LC Class. No.: </label>Q145  / D5