Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 1-17

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 19-24

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 25-28

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 29-44

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 47-64

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 65-69

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 71-73

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 75-77

Created: 2018-12-17, modified: 2018-12-17