Kankyō yōsui
Subtitle: sono seiritsu jōken to jizoku kanōsei
By: hencho Akiyama Michio, Sawai Kenji, Mitsuno Tōru
Edition: 1-han
Publisher: Gihōdō Shuppan
Published: 2012
Place of publication: Tōkyō-to Chiyoda-ku
Language: jpn
Number of pages: 196
ISBN-13: 9784765534581
Subjects: Water; Purification; Water quality management; Aquatic ecology