Toshi ryokka ni kansuru seron chōsa
Subtitle: Heisei 3-nen 6-gatsu chōsa
Series: Seron chōsa hōkokusho
Publisher: Naikaku Sōri Daijin Kanbō Kōhōshitsu
Published: 1991
Place of publication: Tōkyō
Language: jpn
Number of pages: 108