Kankyō hozen ni kansuru seron chōsa
Subtitle: Heisei 5-nen 2-gatsu chōsa
Series: Seron chōsa hōkokusho
Publisher: Naikaku Sōri Daijin Kanbō Kōhōshitsu
Published: 1993
Place of publication: Tōkyō
Language: jpn
Number of pages: 93