共 12 条
[2]
BECKER G, 1964, QUANTUM ELECTRONICS, V1, P393
[3]
BENNEWITZ G, 1954, Z PHYSIK, V139, P489
[6]
MOLECULAR MICROWAVE OSCILLATOR AND NEW HYPERFINE STRUCTURE IN THE MICROWAVE SPECTRUM OF NH3
[J].
PHYSICAL REVIEW,
1954, 95 (01)
:282-284
[7]
GRIVET P, 1964, QUANTUM ELECTRONI ED, V1, P393
[8]
HERRRMANN J, 1956, HELV PHYS ACTA, V29, P448
[10]
KRUPNOV AF, 1959, RADIOFIZIKA, V2, P658