Ghent University Academic Bibliography %2C+%3Cb%3E%3Ci%3Ein%3C%2Fi%3E%3C%2Fb%3E%3A+%3Ci%3EAbstract+book+28th+Annual+Conference+of+the+European+Cetacean+Society%3A+Marine+mammals+as+sentinels+of+a+changing+environment%2C+Li%C3%A8ge%2C+Belgium%2C+5-9th+April+2014.%3C%2Fi%3E+pp.+239