Marihuana84 : proceedings/ Ninth International Congress Symposium on Cannabis, held at Helsinki in 1975.

Eitemau Tebyg

• Proceedings of an international congress on silvopastoralism and sustainable management held in Lugo, Spain, in April 2004
  Cyhoeddwyd: (2005)
• The therapeutic potential of Marihuana
  Cyhoeddwyd: (1976)
• International congress on rheology : proceedings
  Cyhoeddwyd: (1954)
• Souvenir: Rajasthan forests: procedings of the Ninth Commonwealth Forestry Conference held at New Delhi on January, 1968.
  Cyhoeddwyd: (1968)
• Ultrasonics international, 1975 : proceedings on the ultrasonics international conference and exhibition, [held at] London on 24th to 26th March, 1975.
  Cyhoeddwyd: (1975)