Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 183-190

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 191-226

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 227-229

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 231-234

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 235-236

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 237-258

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 259-267

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

Published in Gardens' Bulletin Singapore, in 1976, in volume 28, issue 2, pages 269-276

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

Published in The Gardens' bulletin, Singapore, in 1976, in volume 29, pages 57-71

Created: 2014-01-31, modified: 2014-01-31