This author has not been identified. Look up 'Alexander Barbie' in GoogleThis author has not been identified. Look up 'Niklas Pech' in GoogleThis author has not been identified. Look up 'Wilhelm Hasselbring' in GoogleThis author has not been identified. Look up 'Sascha Flögel' in GoogleThis author has not been identified. Look up 'Frank Wenzhöfer' in GoogleThis author has not been identified. Look up 'Michael Walter 0002' in GoogleThis author has not been identified. Look up 'Elena Shchekinova' in GoogleThis author has not been identified. Look up 'Marc Busse' in GoogleThis author has not been identified. Look up 'Matthias Türk' in GoogleThis author has not been identified. Look up 'Michael Hofbauer' in GoogleThis author has not been identified. Look up 'Stefan Sommer' in Google