Research graph
References from Experimental Reversal of Acid Rain Effects D: The Gårdsjön Roof Project, Edited by H. Hultberg and R. Skeffington, Wiley, Chichester, 1998. ISBN 0-471-96151-5; 466 pp., illus., US $115 (hardcover). Local targets link to admitted publications; unresolved targets remain external evidence.
