Use "walrus|walruses" in a sentence
1. Walrus, sea lions, fur seals and sea otters, Academic Press, New York, NY.
Schusterman, R.J., F. Balliet et S.S. John.
1. Walrus, sea lions, fur seals and sea otters, Academic Press, New York, NY.
Schusterman, R.J., F. Balliet et S.S. John.