Pure Appl. Chem., 1989, Vol. 61, No. 5, pp. 947-951
http://dx.doi.org/10.1351/pac198961050947
New lanthanide doped amorphous materials containing small metallic particles
First page:

Pure Appl. Chem., 1989, Vol. 61, No. 5, pp. 947-951
http://dx.doi.org/10.1351/pac198961050947