共 6 条
[1]
ABRAGAM A, 1951, P ROY SOC LONDON, VA205, P135
[3]
Bloembergen N., 1961, SCIENCE, V133, P1363, DOI 10.1126/science.133.3461.1363
[4]
LUDWIG G, TO BE PUBLISHED
[6]
LUDWIG GW, 1960, PHYS REV LETT, V5, P538