共 14 条
[1]
Abrahamsen G., 1976, IMPACT ACID PRECIPIT, P37
[2]
BEAMISH R J, 1975, Ambio, V4, P98
[3]
COGBILL CV, 1976, 1ST P INT S AC PREC, P363
[10]
NORDO J, 1976, 1ST P INT S AC PREC, P87