@article{05018761, title = {Time-frequency representations of earthquake motion records.}, journal = {Analele \c Stiin\c tifice ale Universit\u a\c tii ``Ovidius" Constan\c ta. Seria: Matematic\u a}, volume = {11}, year = {2003}, pages = {57-68}, zbl = {1084.86504}, language = {en}, url = {http://dml.mathdoc.fr/item/05018761} }
Demetriu, Sorin; Trandafir, Romică. Time-frequency representations of earthquake motion records.. Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică, Tome 11 (2003) pp. 57-68. http://gdmltest.u-ga.fr/item/05018761/