Environmental periodicals, Belgian union-catalogue.
Contributors: Belgium. Centre national de documentation scientifique et technique.
Publisher: National Center for Scientific and Technical Documentation
Published: 1974
Place of publication: Brussels
Language: eng
Number of pages: 74
Subjects: Ecology -- Periodicals -- Bibliography -- Union lists.; Environmental protection -- Periodicals -- Bibliography -- Union lists.; Conservation of natural resources -- Periodicals -- Bibliography -- Union lists.