Pesssagno, Emile A.,  Jr. <br/><br/>
Lower cretaceous radiolarian biostrarigraphy of the Great Valley sequence and franciscan complex, California Coast ranges / 
by Emile A. Pessagno, Jr. 
 - Washington :  Cushman Foundation,  1977 
 - Cushman Foundation for Foraminiferal Research ; Special publication;  no. 15 .