R. Heinrich (Heinrich, R.)

• 
  Fao Model Code of Forest Harvesting Practice
  by D.P. Dykstra, R. Heinrich
  Softcover, Renouf Pub Co Ltd, ISBN 925103690X (92-5-103690-X)
• 
  Forest Codes of Practice: Contributing to Environmentally Sound Forest Operations Proceedings of an FAO/IUFRO Meeting of Experts on Forest Practices, Feldafing, Germany, 11-14 December 1994
  by R. Heinrich, Dennis P. Dykstra, Food and Agriculture Organization of the United Nations, International Union of Forestry Research Organizations
  Hardcover, Food and Agriculture Organization of the United Nations, ISBN 9251039232 (92-5-103923-2)
• 
  Logging of Mountain Forests: Report of the Third FAO/Austria Training Course on Mountain Forest Roads and Harvesting, Ossiach and Ort, Austria, 1-28 June 1981
  by R. Heinrich, Food and Agriculture Organization of the United Nations
  Softcover, Food and Agriculture Organization of the United Nations, ISBN 9251012253 (92-5-101225-3)