@article{TUW-236461, author = {St{\"o}ger, Angela and Zeppelzauer, Matthias and Baotic, Anton}, title = {Age-group estimation in free-ranging African elephants based on acoustic cues of low-frequency rumbles}, journal = {Bioacoustics-The International Journal Of Animal Sound And Its Recording}, year = {2014}, volume = {23}, number = {3}, pages = {231--246}, doi = {10.1080/09524622.2014.888375} }