@book{ 0-327799625, title = {Platenatlas van noordelijke kristallijne gidsgesteenten}, author = {Zandstra, Jacob Gosse and Zandstra, J.G.}, editor = {Zandstra, J.G}, address = {Leiden}, publisher = {Backhuys Publishers}, year = {1999}, isbn = {9057820145}, language = {Dutch}, url = {https://katalog.ub.uni-leipzig.de/Record/0-327799625} }