The green earth
Subtitle: an ecology workbook
By: by Clare Smallman... [et al.] ; with an introduction by David Bellamy.
Contributors: Bellamy, David, 1933-; Smallman, Clare.; National Extension College.
Publisher: National Extension College
Published: 1979
Place of publication: Cambridge
Language: eng
Notes: 'A home study course in association with 'Botanic man' a Thames Television programme with David Bellamy'.