Tesar, Jenny Elizabeth.
Threatened oceans / Jenny Tesar. - New York : Facts On File, c1991. - 112 p. : ill. - Our fragile planet ; 5 .
Includes glossary, bibliography, and index.
Oceanography--Juvenile literature.
Threatened oceans / Jenny Tesar. - New York : Facts On File, c1991. - 112 p. : ill. - Our fragile planet ; 5 .
Includes glossary, bibliography, and index.
Oceanography--Juvenile literature.