TY  - JOUR
A2  - Petsche, Hans-Joachim
T1  - Introduction to Hermann Grassmann : roots and traces ; autographs and unknown documents
Y1  - 2009
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/32739
SN  - 978-3-03-460154-2
ER  -