TY  - BOOK
AU  - Drude , Paul
TI  - The Theory Of Optics
U1  - PL35 
PY  - 1922///
CY  - London
PB  - Longmans Green And 
KW  - Physics Light, Heat and Sound
N1  - PL means Physics Light, Heat and Sound Page No. 465-469 in A-Z Accession Register (Accession No. PL1-PL131)
ER  -