共 18 条
[11]
HERTZ J, IN PRESS HEAVY METAL
[12]
HERTZ J, 1985, INT C HEAVY METAL EN, P503
[13]
HOFKEN KD, 1981, BER I METEOROL GEOPH, V46
[14]
KOENIES H, 1985, BERICHTE FORSCHUNGSZ, V9
[15]
RASMUSSEN L, 1980, BOT TIDSSKR, V75, P93
[16]
THONI L, 1986, STAUB REINHALT LUFT, V46, P295
[17]
TYLER G, 1972, Ambio, V1, P52
[18]
1987, BUNDESAMT UNWELTSCHU