TY - BOOK AU - Hawkes,P.W. AU - Kasper,E. TI - Principles of electron optics SN - 0123333512 (v. 1) AV - QC793.5.E62 H38 1989 U1 - 537.5/6 20 PY - 1989///- CY - London, San Diego PB - Academic Press KW - Electron optics N1 - Includes bibliographical references; Vol. 1. Basic geometrical optics -- v. 2. Applied geometrical optics ER -