1.57 shokku, shusseiritsu teika o meguru shomondai
By: Hirayama Takashi
Series: Chōsa to jōhō -- dai 156-gō = -- Issue brief -- no. 156; Chōsa to jōhō -- dai 156-gō.
Publisher: Chōsa oyobi Rippō Kōsakyoku
Published: 1991
Place of publication: Tōkyō
Language: jpn
Number of pages: 14
Subjects: Human Fertility
Other titles: Ichitengonana shokku, shusseiritsu teika o meguru shomondai