Wardle, R J. (2008). Mineral commodities of Newfoundland and Labrador: Zinc and lead. St. John's, NF: Government of Newfoundland and Labrador, Dept. of Mines and Energy.
ISBD ZitierstilMineral commodities of Newfoundland and Labrador : Zinc and lead / compiled by R. J. Wardle .. . — St. John's, NF : Government of Newfoundland and Labrador, Dept. of Mines and Energy, 2008. — Online-Ressource. — (Mineral commodities series ; no. 1)
MLA ZitierstilWardle, Richard J. Mineral Commodities of Newfoundland and Labrador: Zinc and Lead.St. John's, NF: Government of Newfoundland and Labrador, Dept. of Mines and Energy, 2008.
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