@incollection{Sperlbaum2018, author = {Margret Sperlbaum}, title = {Isoglossenvergleich auf Grund indirekter und direkter Spracherhebung}, series = {Spezielle methodische Untersuchungen sprachlicher Ph{\"a}nomene. Festschrift f{\"u}r Eberhard Zwirner, Teil III}, editor = {Helmut Richter and Karl H. Rensch and Margret Sperlbaum and Edeltraud Knetschke}, publisher = {Niemeyer}, address = {T{\"u}bingen}, isbn = {3-484-23014-2}, url = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-82213}, pages = {75 -- 88}, year = {2018}, language = {de} }