TY  - BOOK
AU  - Halpern,Alvin M.
AU  - Erlbach,Erich
TI  - Schaums outline of theory and problems of beginning physics II: waves, electromagnetism, optics and modern physics 
T2  - Schaum's outline series
SN  - 0070257078
AV  - QC23  .H34 1998
PY  - 1998///
CY  - New York
PB  - McGraw-Hill
KW  - Physics
ER  -