1. Annual carbon budget for a young scots pine;Agren;Structure and Function of Northern Coniferous Forests - an Ecosystem Study. Ecol. Bull.,1980
2. Studies of the woodland light climate. II. Seasonal variation in the light climate;Anderson;J. Ecol.,1964
3. Net primary production of herbs in a central Illinois deciduous forest;Bazzas;Bull. Torrey Bot. Club.,1971
4. Über den Wasser- und Photosynthesehaushalt einiger Frühjahrsgeophyten;Bethke;Flora,1965
5. Photosynthetic performance of two rainforest species in their native habitat and analysis of their gas exchange;Björkman;Carnegie Inst. Yearb. Wash.,1972