1. Official and Tentative Methods of Analysis,1950
2. Seasonal trends of several nutrient elements in leaves and fruits of Elberta peach;Batjer,1958
3. Determination of available carbohydrates in plants and animals foods;Friedemann;J. Nutr.,1967
4. Carbohydrates and fruiting of Valencia orange trees;Jones,1970
5. Methods in Plant Physiology;Loomis,1937