TY - GEN AU - Drysdale, R.M. AU - John, S.E.T. AU - Yapa, A.C. TI - Proceedings international symposium on genetic conservation and production of tropical forest tree seed SN - 9748007065 U1 - 571.6 PY - 1993/// CY - Thailand PB - ASEAN Canada Forest Tree Seed Centre KW - BIOLOGY ER -