1. Multiple effect of chromate on the photosynthetic apparatus of Spirodela polyrhiza as probed by OJIP chlorohphyll a fluorescence measurements;Appenroth;Environ. Pollut.,2001
2. APHA, 1993. Standard Methods for the Examination of Water and Wastewaters. American Public Health Association, Washington DC, USA, 874pp
3. Barbagallo, J., 1983. Las áreas anegables de la Pampa Deprimida. Un planteo agrohidrologico para su solución. Coloquio Internacional De Grandes Llanuras, UNESCO, VIII, Provincia de Buenos Aires, Olavarría, pp. 789–827
4. Effect of chromium (VI) in two freshwater plants, Lemna minor and Pistia stratiotes. 2. Biochemical and physiological observations;Bassi;Cytobious,1990
5. The use of aquatic macrophytes in water-pollution control;Brix;Ambio,1989