TY  - BOOK
AU  - Petch,James A.
ED  - Manchester Statistical Society.
TI  - Some aspects of the growth of secondary school examinations / 
PY  - 1947///
CY  - London : 
PB  - Norbury, Lockwood , 
KW  - Education, Secondary
KW  - Examinations
N1  -  Includes bibliographical references
ER  -