Books listed by ISBN

Gunnar Thorson

McGraw-Hill

titleISBN-13
(ISBN-10)		year of publica-
tion
Life in the Sea.978-0-07-064543-1
(0-07-064543-4)		1971
Life in the sea978-0-07-064544-8
(0-07-064544-2)		1971

Gunnar Törnqvist