TY  - BOOK
AU  - Hiramo,H.
AU  - Takana,M.
TI  - Linera polymers with sulfur in the main chain, I
UR  - https://drive.google.com/file/d/1peyfycyfisGueYCb5v2IjmI44eD9bUi9/view?usp=drivesdk
ER  -