Mizu jōhō shisutemu no genjō to sono kaizen ni kansuru hōkoku
Series: Kagaku Gijutsuchō Shigen Chōsakai hōkoku -- dai 79-gō
Publisher: Kagaku Gijutsuchō Shigen Chōsakai
Published: 1978
Place of publication: [Tokyo]
Language: jpn
Number of pages: 122
Subjects: Hydrology; Information services
Notes: Cover title.