Skorney, James Robert <br/><br/>
The development of ordination, cardination and natural number  [microform] / 
by James Robert Skorney 
 - Ann Arbor, Mich.n :  University Microfilms International ,  1980 
 - 1 microfiche ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) niversity of Arizona, 1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching (Primary)