Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 1-47
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 49-75
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 77-88
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 89-103
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 105-112
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 113-119
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 1, pages 121-140
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 37-78
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 79-92
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 93-98
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 99-102
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 103-107
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 109-123
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 125-130
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 131-135
Published in Gardens' Bulletin, Singapore, in 1994, in volume 46, issue 2, pages 137-138