Johnson, D. W., Richter, D. D., Van Miegroet, H., & Cole, D. W. (1983). CONTRIBUTIONS OF ACID DEPOSITION AND NATURAL PROCESSES TO CATION LEACHING FROM FOREST SOILS: A REVIEW. Proceedings Annual Meeting Air Pollution Control Association, 3.

Johnson, D. W., D. D. Richter, H. Van Miegroet, and D. W. Cole. “CONTRIBUTIONS OF ACID DEPOSITION AND NATURAL PROCESSES TO CATION LEACHING FROM FOREST SOILS: A REVIEW.” Proceedings Annual Meeting Air Pollution Control Association 3 (December 1, 1983).

Johnson DW, Richter DD, Van Miegroet H, Cole DW. CONTRIBUTIONS OF ACID DEPOSITION AND NATURAL PROCESSES TO CATION LEACHING FROM FOREST SOILS: A REVIEW. Proceedings Annual Meeting Air Pollution Control Association. 1983 Dec 1;3.

Johnson, D. W., et al. “CONTRIBUTIONS OF ACID DEPOSITION AND NATURAL PROCESSES TO CATION LEACHING FROM FOREST SOILS: A REVIEW.” Proceedings Annual Meeting Air Pollution Control Association, vol. 3, Dec. 1983.

Johnson DW, Richter DD, Van Miegroet H, Cole DW. CONTRIBUTIONS OF ACID DEPOSITION AND NATURAL PROCESSES TO CATION LEACHING FROM FOREST SOILS: A REVIEW. Proceedings Annual Meeting Air Pollution Control Association. 1983 Dec 1;3.