TY  - RPRT
TI  - Excess nitrogen deposition: issues for consideration.
AU  - R A Skeffington
AU  - E J Wilson
PY  - 1988
DO  - 10.1016/0269-7491(88)90110-8
UR  - https://pubmed.ncbi.nlm.nih.gov/15092516/
ID  - 15092516
ER  -