Baudouin MF, Scoppa P.
Acute toxicity of various metals to freshwater zooplankton. Bulletin of Environmental Contamination and Toxicology. 1974 ;(12):745-751.
Unsworth MH, Monteith JL.
Aerosol and solar radiation in Britain. Quarterly Journal of the Royal Meteorological Society. 1972 ;98:778-797.
Ashmore MR.
Air pollution and agriculture. Outlook on Agriculture . 1991 ;20:139-144.