TY  - GEN
AU  - Farago, P. S.
TI  - Free-Electron physics
SN  - 0140800999
AV  - QC 447 F37 1970
PY  - 1970///
CY  - England
PB  - Penguin Books
KW  - Electron optics-
N1  - Includes bibliographical references
ER  -