TY - Generic T1 - Chlorophyll a fluorescence emission, xanthophyll cycle activity and net photosynthetic rate responses to ozone in some foliose and fruticose lichen species Y1 - 2000 A1 - Calatayud, A. A1 - Temple, P.J. A1 - Barreno, E. JF - Photosynthetica VL - 38 ER - TY - JOUR T1 - Peroxyacetyl nitrates (PAN) and other minor pollutants JF - Recognition of Air Pollutant Injury to Vegetation: A Pictorial Atlas. 2nd Edition. Air & Waste Management Association, Pittsburgh, PA. Y1 - 1998 A1 - Temple, P.J. A1 - Sun, J.E-J. A1 - Krause, G.H.M. ER -