21. The sea mammal alphabet book /   Publication: Watertown, MA : Charlesbridge, 2019 . [30] : Date:2019 Availability: Copies available: Turkeyen Campus Science & Technology [QL122.2 P35] (2), Actions: Add to cart
22. The biology of marine mammals,   Publication: New York : Academic Press, 1969 . xii, 511 p. : Date:1969 Availability: Copies available: Turkeyen Campus Science & Technology [QL713.2 A5] (1), Actions: Add to cart No cover image available No cover image available