TY - JOUR AB - Article PDF first page preview Close This content is only available as a PDF. © Oxford University Press TI - JAMES FRASER JF - Forestry: An International Journal Of Forest Research DO - 10.1093/forestry/32.2.215 DA - 1959-01-01 UR - https://www.deepdyve.com/lp/oxford-university-press/james-fraser-1X7AXcYblM SP - 215 VL - 32 IS - 2 DP - DeepDyve ER -