Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Sigal AND L. AND L.)

 
 
 

Select Item Title Year Published
Effects of Acidic Rain and Ozone on Nitrogen Fixation and Photosynthesis in the Lichen 'Lobaria pulmonaria' (L.) Hoffm. 1986
Effects of Simulated Acidic Rain on One Species Each of 'Pseudoparmelia', 'Usnea', and 'Umbilicaria'. 1986
Sourcebook for the environmental assessment (EA) process / 1993

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