1. This report examines the state of knowledge and the future promise of guayule Parthenium argentatum Gray, a little-know shrub native to the desert of southwest Texas and nothern Mexico that was a commercial source of natural rubber during the first half of this century.
  2. Ressource principale 01/01/2000 This book covers all practical aspects of growing rubber.
  3. 01/01/1956 La bon marché gomme-mastic peut ętre faite avec l'essence ordinaire facilement et cru le caoutchouc en plaques.