NMR Studies on the coordination of rare earths with Glycyl-DL-Valine and the conformation of their complex in aqueous solution
LIU JIANXUE;REN JIMIN;NIU CHUNJI;PEI FENGKUI;WANG WENYUN;NI JIAZUAN
Acta Chimica Sinica . 1992, (2): 175 -179 .