Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 1-47

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 49-64

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 65-79

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 81-91

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 93-103

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 105-109

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 111-114

Published in The Gardens' bulletin, Singapore, in 1984, in volume 37, issue 2, pages 115-179

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 181-192

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 193-198

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 199-208

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 209-212

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 213-223

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 225-230

Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 2, pages 231-238