TY  - BOOK
AU  - Houston,William John Ballantyne
AU  - Isaacson,K.G.
TI  - Orthodontic treatment with removable appliances / 
SN  - 0723405661
PY  - 1980///
CY  - Bristol : 
PB  - Wright, 
KW  - Orthodontic Appliances, Removable
N1  -  Includes bibliographical references and index
ER  -