@book{ 0-614172764, title = {Leonardo da Vinci "La Bella Principessa": the profile portrait of a Milanese woman}, author = {Kemp, Martin and Cotte, Pascal and Biro, Peter Paul and Leonardo}, editor = {Kemp, Martin}, editor = {Cotte, Pascal}, editor = {Biro, Peter Paul}, editor = {Leonardo da Vinci}, address = {London}, publisher = {Hodder & Stoughton}, year = {2010}, isbn = {9781444706260}, isbn = {1444706268}, language = {English}, url = {http://tocs.kubikat.org/rco/b00/359/b00359207f-toc.pdf}, url = {https://katalog.hgb-leipzig.de/Record/0-614172764} }