TY  - BOOK
AU  - Barrington,E.J.W.
TI  - The  biology of Hemichordata  and Protochordata / 
U1  - 596 
PY  - 1965///
CY  - Edinburgh  : 
PB  - Oliver & Boyd  , 
KW  - Hemichrdata
KW  - Tunicata
KW  - Amphioxus
N1  -  Includes bibliographical references
ER  -