TY - BOOK A1 - Hopf, Hans TI - Jungen verstehen SN - 9783608204070 PY - 2019 UR - http://www.content-select.com/index.php?id=bib_view&ean=9783608204070 UR - https://content-select.com/de/portal/media/view/5c57ffc8-f9c4-4ae8-988e-339cb0dd2d03 PB - Klett-Cotta Verlag CY - Stuttgart LA - ger ER -