The Challenge of earthworm research
By: edited by Robert Rodale.
Contributors: Rodale, Robert.
Publisher: Soil and Health Foundation
Published: 1961
Place of publication: Emmaus, Pa
Language: eng; tur
Number of pages: 102
Subjects: Earthworms.
Other titles: Earthworm research.
Notes: Reprints from various sources.

Includes bibliographies.