6F. A. Gailey,O. L. L. Lloyd. Grass and surface soils as monitors of atmospheric metal pollution in Central Scotland[J] 1985,Water, Air, and Soil Pollution(1):1～18
二级参考文献13
1团体著者，1983年
2潘如圭，环境污染与防治，1982年，5期，28页
3李正方，中国环境科学，1982年，2期，29页
4匿名著者，1981年
5郁梦德.植物叶片中氯、硫含量与叶龄和季节关系的初步分析[J]环境科学,1980(02).
6吴鹏程,罗健馨.苔藓植物与大气污染[J]环境科学,1979(03).
7[日]中野尊正,[日]沼田真 著,孟德政,刘得新.城市生态学[M]科学出版社,1986.
8Jacob Garty,Jürgen Hagemeyer. Heavy metals in the lichen Ramalina duriaei transplanted at biomonitoring stations in the region of a coal-fired power plant in Israel after 3 years of operation[J] 1988,Water, Air, and Soil Pollution(3-4):311～323
9J. N. Cape. Effects of air pollution on the chemistry of surface waxes of scots pine[J] 1986,Water, Air, & Soil Pollution(1-2):393～399
10Kevin E. Percy,Susan A. Borland. A multivariate analysis of element concentrations in Sphagnum magellanicum Brid. in the Maritime Provinces, Canada[J] 1985,Water, Air, and Soil Pollution(3):331～338
