A review of the environmental impacts of lead shotshell ammunition and lead fishing weights in Canada
Scheuhammer, A.M.; Norris, S.L. (1995). A review of the environmental impacts of lead shotshell ammunition and lead fishing weights in Canada. Occasional paper. Canadian Wildlife Service, 88. Canadian Wildlife Service: Ottawa. ISBN 0-662-23633-5. 56 pp.
Deel van: Occasional paper. Canadian Wildlife Service. Canadian Wildlife Service: Ottawa. ISSN 0576-6370