00394nam a2200109Ia 4500008004100000082002500041245013800066260002500204650001200229650002200241650002100263220204s9999    xx            000 0 und d  a581.1:634:061.3bPRO 0aProceedings of the international workshop on special problems in physiological investigations of tree crops. Kottayam, 26-28 Aug 1982  aKottayambRRIIc1986  aBiomass  aenergy plantation  aPlanting density