Claas Müller-Lankenau Kai Wehmeyer Stefan Klein Strategic channel alignment: an analysis of the configuration of physical and virtual marketing channels. 187-216 2006 4 Inf. Syst. E-Business Management 2 http://dx.doi.org/10.1007/s10257-005-0031-4 db/journals/isem/isem4.html#Muller-LankenauWK06