TY  - BOOK
AU  - Duncan, J
TI  - Text Book of Physics Parts: Ii, Iii, & Iv
U1  - 523.018 
PY  - 1955///
CY  - New York
PB  - Macmillan Company
KW  - General Stack
KW  - Science
KW  - Astronomy & allied sciencesSpecific celestial bodies & phenomena
KW  - Physics
ER  -