TY  - BOOK
AU  - Hanson John.
TI  - Use of resources
T2  - Unwin education books : Teching toley ed by John Chaffer; 3
U1  - 232:(T), L5-;2 
PY  - 1975///
CY  - London
PB  - Georgr Allen & Unwin    
KW  - LIBRARY SCIENCE
ER  -