TY  - BOOK
TI  - Basic physical science for technology: Unit 15 Waves; Unit 16 Geometrical optics 
SN  - 0335171664 (pbk.)
PY  - 1984///
CY  - Walton Hall, Milton Keynes
PB  - Open University
KW  - Physics
KW  - Geometrical optics
KW  - Waves
ER  -