@book{ Solr-EB000421264, title = {PNF in der Praxis : Eine Anleitung in Bildern}, author = {Buck, Math}, address = {Berlin, Heidelberg}, publisher = {Springer Berlin Heidelberg}, year = {2013}, edition = {7th ed. 2013}, isbn = {9783642378140}, url = {https://doi.org/10.1007/978-3-642-37814-0?nosfx=y} }