Multiphoton lonization Spectrum of the 3d Rydberg States of 2-butanone
Guo Wen-Yue, Fang Li, Zhang Bing, Zhang Shu-Dong, Cai Ji-Ye
Acta Phys. -Chim. Sin. . 1999, (11): 976 -979 .  DOI: 10.3866/PKU.WHXB19991104