TY  - BOOK
AU  - Brantley, William A.
TI  - Orthodontic materials : scientific and clinical aspects
SN  - 9783131445919
PY  - 2007///
CY  - New York
PB  - Thieme
UR  - https://books.google.com.pk/books?id=qBmTvCu7Jz8C&printsec=frontcover&dq=Orthodontic+materials+:+scientific+and+clinical+aspects&hl=en&sa=X&redir_esc=y#v=onepage&q=Orthodontic%20materials%20%3A%20scientific%20and%20clinical%20aspects&f=false
ER  -