@article{TUW-119289, author = {Popinski, W and Kosek, W. and Schuh, Harald and Schmidt, Michael}, title = {Comparison of two wavelet transform coherence and cross-covariance functions applied on polar motion and atmospheric excitation}, journal = {Studia geophysica et geodaetica}, year = {2002}, volume = {ISSN 00393169}, number = {Vol. 46}, pages = {455--468} }