1
Brasilianisch deutsches Symposium für Naturstoffchemie. 2 : Simposio brasileiro alemao de produtos naturais : Hannover, 28. Juli bis 10. August 1991 [E-Book] /
2
Salicyclic acid : a plant hormone [E-Book] /
3
Indo-German Workshop on Antiinflammatory Drugs from Natural Sources : Jammui Tawi, 10 - 11th April 1995 [E-Book] /
4
Leung's encyclopedia of common natural ingredients used in food, drugs, and cosmetics [E-Book] /