Topics in integral geometry 
Ren, De-lin. 
 - Singapore ; | River Edge, NJ :  World Scientific,  1994 
 - xviii, 236 p. :  ill. ;  23 cm. 
 - Series in pure mathematics ;  v. 19 .
<br/><br/><label>ISBN: </label>9810211074 (pbk.) | 9810211015