Published in Gardens' Bulletin. Singapore, in 1961, in volume 18, pages 83-97

Created: 2014-12-30, modified: 2014-12-30

Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 2, pages 71-75

Created: 2016-07-15, modified: 2016-07-15

Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 2, pages 76-82

Created: 2016-07-15, modified: 2016-07-15

Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 3, pages 98-101

Created: 2016-07-15, modified: 2016-07-15

Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 3, pages 102-327

Created: 2016-07-15, modified: 2016-07-15

Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 3, pages 328-329

Created: 2016-07-15, modified: 2016-07-15

Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 3, pages 330-332

Created: 2016-07-15, modified: 2019-05-14