Greaves, A. (1979). Descriptions of seed sources and collections for provenances of Pinus oocarpa. Commenwealth Forestry Institute, University of Oxford.

Greaves, A. Descriptions of Seed Sources and Collections for Provenances of Pinus Oocarpa. Commenwealth Forestry Institute, University of Oxford, 1979.

Greaves, A. Descriptions of Seed Sources and Collections for Provenances of Pinus Oocarpa. Commenwealth Forestry Institute, University of Oxford, 1979.