@article{712531, recid = {712531}, author = {Berta, Annalisa.}, title = {Return to the sea the life and evolutionary times of marine mammals / [electronic resource] :}, publisher = {University of California Press,}, address = {Berkeley, CA :}, pages = {xiii, 205 p. :}, year = {2012}, url = {http://library.usi.edu/record/712531}, }