TY - JOUR AU - Martin Moehrle AU - Irina Pfennig AU - Jan Gerken BT - International Journal of Innovation Management M1 - 06 PB - World Scientific Publishing Company PY - 2017 EP - 1750051 T2 - International Journal of Innovation Management TI - Identifying lead users in a B2b environment based on patent analysis—The case of the Crane Industry VL - 21 ER -