@article{TUW-166157, author = {Magerl, Gottfried and Ehrlich-Schupita, Walter and Bonek, Ernst}, title = {A Tunable CO{$_{2}$} Laser Sideband Spectrometer}, journal = {IEEE Journal of Quantum Electronics}, year = {1982}, volume = {QE-18}, pages = {1214--1220} }