Studies on the electric property and structure of fluorescein, 2,7-dichlorofluorescein and their rare earth complexes
WANG LIUFANG;WU JIGUI;MA ZHAOLI;ZHANG FANGQING;YAN GUOHONG;HE FENGYING;WANG QI
Acta Chimica Sinica . 1986, (6): 616 -618 .