13C 1 142M471B3J 1 7440-44-0 1 9004-34-6 1 Acer rubrum (red maple) 1 Carbon 1 Carbon Dioxide 1 mehr ... Carbon Isotopes 1 Cellulose 1 Journal Article 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 carbohydrates 1 radiocarbon (14C) 1 ring growth sprouts 1 stem respiration 1 storage 1 stump 1 weniger ...