author = { Klein, Jens AND Völter, Helmut Spector Books OHG },

title = { Ballons },

edition = { 1. Auflage } ,

publisher = {Spector Books OHG},

isbn = {9783959055772},

isbn = {3959055773},

year = {2022},

address = { Leipzig },

url = { http://slubdd.de/katalog?TN_libero_mab2 }