Methods of study in soil ecology =
Subtitle: Méthodes d'étude de l'écologie du sol
By: proceedings of the Paris Symposium organised by Unesco and the International Biological Programme ; edited by J. Phillipson.
Contributors: Phillipson, John.; International Biological Programme.; Unesco.
Series: Ecology and conservation -- 2
Publisher: Unesco
Published: 1970
Place of publication: Paris
Language: mul
Subjects: Soil ecology -- Techniques.
Notes: English and French text.

'A symposium... held at Unesco Headquarters, Paris, in November1967'.