TY  - BOOK
AU  - Parker,Steve
TI  - 1920-40 science for the people
T2  - 20th century science & technology
SN  - 0431121915
U1  - 609 23
PY  - 2000///
CY  - Oxford : 
PB  - Heinemann Library , 
KW  - Science - History - 20th century
ER  -