P.D. Khasa, G. Vallee, and J. Bousquet, “BIOLOGICAL CONSIDERATIONS IN THE UTILIZATION OF <em>RACOSPERMA</em> <em>AURICULIFORME</em> AND <em>RACOSPERMA</em> <em>MANGIUM</em> IN TROPICAL COUNTRIES WITH EMPHASIS ON ZAIRE”, JTFS, vol. 6, no. 4, pp. 422–443, Jun. 1994.