Winkler Prins, C.F. <br/><br/>
Carboniferous productidina and chonetidina of the Cantabrian Mountains (NW Spain): systematics, stratigraphy and Palaeoecology. 

 - p. 42-126. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GG Palaeontology