B. A. Ola-Adams 1990. INFLUENCE OF SPACING ON GROWTH AND YIELD OF <em>TECTONA</em> <em>GRANDIS</em> LINN. F. (TEAK) AND <em>TERMINALIA</em> <em>SUPERBA</em> ENGL. & DBELS (AFARA). Journal of Tropical Forest Science (JTFS) . 2, 3 (Mar. 1990), 180–186.