Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 179-187

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 189-207

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 209-233

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 235-237

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 239-246

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 247-281

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 283-297

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 299-309

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin, Singapore, in 1970, in volume 25, issue 2, pages 311-334

Created: 2016-08-10, modified: 2016-08-10