Complexes of crown ether with yttrium perchlorate I:studies on coordination behavior between Y(ClO4)3.3H2O and crown ether 18C6 in methyl cyanide
REN DEHOU;JIA PUXIAO;XUE GANGLIN;XUE HONGFU;SUN JUCHANG
Acta Chimica Sinica . 1989, (12): 1197 -1200 .