Shizen jōka kinō ni yoru suishitsu kaizen
Subtitle: kijitsu Shōwa 59-nen 3-gatsu 22-nichi--23-nichi : kaijō Kokuritsu Kōgai Kenkyūjo : tokubetsu kenkyū "shizen jōka kinō ni yoru suishitsu kaizen ni kansuru sōgō kenkyū" shinpojūmu hōkoku
By: Dai l-kan Shizen Jōka Shinpojūmu ; [henshū Kokuritsu Kōgai Kenkyūjo]
Contributors: Kokuritsu Kōgai Kenkyūjo
Publisher: Kokuritsu Kōgai Kenkyūjo
Published: 1985
Place of publication: Ibaraki-ken Tsukuba-gun Yatabe-machi
Language: jpn
Number of pages: 143
Notes: Cover title.

Includes bibliographical references.