About TAKAHASHI SHIN'YA
About 新田ゼラチン
About ITO NORIICHI
About 新田ゼラチン
About KAWAMURA YUKIO
About 京大 食糧科研
About HAYASHI RIKIMARU
About 京大 食糧科研
About 日本写真学会誌
About Gelatin
About glutamic acid
About Photographic materials and methods in general
About 酸化
About ゼラチン
About 物理
About 化学的性状