Reber, A.C. Khanna, S.N. Hunjan, J.S. Beltran, M.R. <br/><br/>
Rings, towers, cages of ZnO. 

 -  2007. 
 - Vol. 43, no. 1-3, pp. 221-224. 
 = European Physical Journal D 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Ab initio calculations<br/>Density-functional theory<br/>Stability and fragmentation of clusters<br/>Electronic and magnetic properties of clusters