共 5 条
[3]
SOME EXPERIMENTAL AND ESTIMATED CHARACTERISTICS OF LANTHANUM HEXABORIDE ROD CATHODE ELECTRON GUN
[J].
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS,
1969, 2 (03)
:273-&
[4]
GUSTAVSEN F, 1969, ACTA ODONTOL SCAND, V27, P167
[5]
LESTER K. S., 1967, CALCIFIED TISSUE RES, V1, P44, DOI 10.1007/BF02008074