Wheatley Paul <br/><br/>
Pivot of the four quarters 
Wheatley Paul 
 - Edinburgh  The University Press       1971 
 - xix,602p  cm. 
<br/><br/><label>Standard No.: </label>57690 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y35.41'D, L1