TY  - BOOK
AU  - Richtmyer, F. K.
AU  - Kennard, E. H.
AU  - Cooper, John N.,
TI  - Introduction to modern physics
AV  - QC21 .R5 1969
U1  - 530 
PY  - 1942///
CY  - New York
PB  - McGraw-Hill
KW  - Physics
N1  - Includes bibliographical references and index
ER  -