Flora Malesiana Series I Spermatophyta - Kebun Raya Indonesia. (Noordhoff-Kolff, 1972)

Flora Malesiana Series I Spermatophyta - Kebun Raya Indonesia. (Noordhoff-Kolff, 1972)

Peter S. Ashton Sarawak fieldwork papers - Ashton, Peter S. (Peter Shaw), 1934 - (1963)

Peter S. Ashton Sarawak fieldwork papers - Ashton, Peter S. (Peter Shaw), 1934 - (1963)