Informationswissenschaft 


o 

Subject-retrieval seventies. -Subject Retrieval 
in the seventies. New directions. Proceedings 
of an international symposium held 
at the Center of Adult Education, University 
of Maryland, College Park, May 14 to 15, 
1971. Ed. by Hans <Hanan;[ )'lellisch and Thomas 
D. l{ilson. [Mit Abb;J -Westport: Greenwood 
Publishing CompanYi Maryland: School 
of Library and Information Service8' University 
of Maryland 1972. 180 S. 8 

(Contributions in librarianship and 

information scien 

. 3.)