En sekigaisen seramikkusu sangyō taisaku chōsa kenkyū
Subtitle: Heisei 3-nendo muki shinsozai sangyō taisaku chōsa itaku chōsa kekka hōkokusho
Publisher: En Sekigaisen Sangyō Kyōkai
Published: 1992
Place of publication: [Tokyo?]
Language: jpn
Number of pages: 181