Cascini, Paolo. <br/><br/>
Purely log terminal threefolds with non-normal centres in characteristic two / 
Paolo Cascini, and Hiromu tanaka. 
 - Baltimore, Maryland U.S.;   Johns Hopkins University Press,   June 2019. 
 - volume 141, pages 941-979. 
<br/><br/><label>Dewey Class. No.: </label>DPer 510.5 Am351 June-August vol.141 no. 3-4