TY  - BOOK
AU  - Marshall,Sybil
TI  - An experiment in education
SN  - 0521093724
U1  - 372.1102/M369e 
PY  - 1970///
CY  - London
PB  - Cambridge University Press 
KW  - Education
KW  - Elementary
KW  - Elementary school teaching
N1  - Notes and plates at the end
ER  -