(1970). Methods of study in soil ecology. Méthodes d'étude de l'écologie du sol. Proceedings of the Paris symposium organized by Unesco and the International Biological Programme. Paris: Unesco.
Stile di citazione ChicagoMethods of Study in Soil Ecology. Méthodes D'étude De L'écologie Du Sol. Proceedings of the Paris Symposium Organized By Unesco and the International Biological Programme. Paris: Unesco, 1970.
Citazione MLAMethods of Study in Soil Ecology. Méthodes D'étude De L'écologie Du Sol. Proceedings of the Paris Symposium Organized By Unesco and the International Biological Programme. Paris: Unesco, 1970.
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