Yu Yan (宋) 俞琰 <br/><br/>
Zhou yi ji shuo . Du-yi ju-yao 周易集說.讀易舉要 
 Zhouyi jishuo . Duyi juyao  Du yi ju yao 
Yu Yan (宋) 俞琰 [撰] 
 -  1990 上海  上海古籍出版社  1990 
 - [8], 394 p., 77 p. 
 - Si ku yi xue cong kan 四庫易學叢刊 .
<br/><br/><label>ISBN: </label>7532507165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy -- Classics -- Yi jing<br/>Philosophy -- Classics -- Zhouyi