Vol.24 Pt. 2 ( 1928-12-31 issued )
Influence of Ultra=violet Ray upon the Milking Cow |
PDF |
IGUCHI, Kenzo;MITAMURA, Kentaro | 39-60 |
Influence of Ultra=violet Ray upon the Milking Cow |
PDF |
IGUCHI, Kenzo;MITAMURA, Kentaro | 39-60 |