Air pollution
Subtitle: a non-technical bibliography, annotated
By: Mary L. Knobbe
Series: Exchange bibliography / Council of Planning Librarians -- 83; 83.
Publisher: Council of Planning Librarians
Published: 1969
Place of publication: Monticello, Ill
Language: eng
Subjects: Air; Bibliography; Pollution; Bibliographie
Notes: Cover title.

"May 1969."