Published in Compositae Newsletter, in 1997, in volume 30, pages 15-28
Published in Compositae Newsletter, in 1997, in volume 30, pages 46-49
Published in Compositae Newsletter, in 1997, in volume 31, pages 1-16
Published in Compositae Newsletter, in 1997, in volume 31, pages 22-23
Published in Compositae Newsletter, in 1997, in volume 31, pages 24-26
Published in Compositae Newsletter, in 1997, in volume 31, pages 27-28