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2. CEC and USEPA, Proc. Intern. Symp. Environmental Health Aspects of Lead. Amsterdam, 1972.
3. ; ; , Piombo nell'ambiente. Elementi per un guidizio. Del bianco, Udine, 1975.
4. ; , Lead Pollution. Causes and Control. Chapman and Hall, London, 1981.
5. Contamination of roadside soil and vegetation with cadmium, nickel, lead, and zinc