Umi o mamoru
Subtitle: chikyū kankyō to ningen no mirai
By: Uda Michitaka
Series: UP sensho -- 134
Publisher: Tōkyō Daigaku Shuppankai
Published: 1974
Place of publication: Tōkyō
Language: jpn
Number of pages: 228
Subjects: Marine resources; Marine pollution
Notes: Chronological list of the author's works: p. 227-228.