Hantzschel, Walter <br/><br/>
Coprolites :  an annotated bibliography / 
Walter Hantzschel, Farouk El-Baz, G. C. Amstutz 
 - Boulder, Colorado :  Geological Society of America,  1968 
 - vii, 132 p. :  ill. ;  26 cm. 
 - Memoir (Geological Society of America) ;  108 .
<br/><br/> 'The present study has grown out of the 1958 paper by G. C. Amstutz on Coprolites: a review of the literature and a study of specimens from southern Washington.' 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coprolites--Bibliography