@book{ 0-780571509, title = {Mineral commodities of Newfoundland and Labrador: rare-earth elements; (including Y, Zr, Nb, Be)}, series = {Mineral commodities series}, author = {Kerr, Andrew}, address = {St. John's, NF}, publisher = {Government of Newfoundland and Labrador, Dept. of Mines and Energy}, year = {2011}, language = {English}, note = {Gesehen am 18.05.2018}, url = {http://www.nr.gov.nl.ca/nr/mines/Geoscience/commodityreports/min_reports.html}, url = {https://katalog.ub.tu-freiberg.de/Record/0-780571509} }