Proceedings of the National Academy of Sciences of the United States of America, Vol. 81, No. 24, [Part 1: Biological Sciences] (Dec. 15, 1984), pp. 7767-7771 (5 pages) High-resolution crystal ...

This is a preview. Log in through your library . Abstract Acid N depositions in the Bohemian Forest during the second half of the last century caused enormous soil acidification which led to the ...