TY - BOOK AU - Philipp Langer PY - 2001 CY - München, Germany PB - GRIN Verlag SN - 9783638978385 TI - E-Commerce Business to Consumer DO - 10.3239/9783638978385 UR - https://www.hausarbeiten.de/document/99394 KW - E-Commerce, Business, Consumer LA - German ER -