Published in Compositae Newsletter, in 1999, in volume 33, pages 1-18

Published in Compositae Newsletter, in 1999, in volume 33, pages 19-22

Published in Compositae Newsletter, in 1999, in volume 33, pages 23-32

Published in Compositae Newsletter, in 1999, in volume 33, pages 39-45

Published in Compositae Newsletter, in 1999, in volume 34, pages 1-8

Published in Compositae Newsletter, in 1999, in volume 34, pages 29-36

Published in Compositae Newsletter, in 1999, in volume 34, pages 50-52

Published in Compositae Newsletter, in 1999, in volume 34, pages 53-61