000 00392pam a2200157a 44500
082 _a535
_bP61t2
100 _aPierce, John Robinson
245 1 _aTHEORY AND DESIGN OF ELECTRON BEAMS
250 _a2nd
260 _aN. Y.
_bVan Nostrand
_c1954
300 _a222
440 _aThe Bell Telephone Laboratories Series
_v
650 _aElectron Beams
964 _gCIRC
997 _a73436 C
999 _c429823
_d429823