Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 1, pages 7-8

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 1, pages 9-10

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 1, pages 12-14

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 1, pages 15-18

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 1, pages 19-20

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 1, pages 21-26

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 3, pages 75-76

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 3, pages 79-83

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 3, pages 86-89

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 3, pages 90-92

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 3, pages 93-94

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 3, pages 94-95

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 102-108

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 108-114

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 114-115

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 115-116

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 116-118

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 121-124

Published in Carnivorous plant newsletter, in 1989, in volume 18, issue 4, pages 124-125