00326nam a2200121Ia 450000500170000000800410001702000210005803500090007910000400008824500300012826000210015865000250017920251022063851.0251022s9999||||xx |||||||||||||| ||und||  a978 0470 87641 1  a1878  aAlexander Osterwalder, Yves Pigneur 0aBusiness Model Generation  bJohn Wileyc2000  aC-10:Popular Science