TY  - BOOK
AU  - "Hall, William" 
AU  - "Mowel, Brian" 
AU  - "Bausor, John"
TI  - Patterns teachers guide 3 energy
U1  - Ref/621.31/BP  21
PY  - 1932///
CY  - الإسكندرية
PB  - LONGMAN & PENGUIN BOOKS
KW  - Energy
KW  - Electricity
ER  -