World environmental directory.

Bibliographic Details
Format:	Serial
Language:	English
Published:	[Silver Spring, Md.] : [Business Publishers], -[1991]
Subjects:	Environmental engineering > Directories. Environmental protection > Directories.
Online Availability:

Description
Published:	[1st ed.] (summer 1974)-6th ed.
Item Description:	"Standard environmental reference."
Physical Description:	6 volumes : illustrations ; 23 cm.
ISSN:	0094-4742