Pitchford A. <br/><br/>
Worked example in light 
Pitchford A. 
 - London  Macdonald UK         1965 
 - 124p.  cm. 
<br/><br/><label>Standard No.: </label>103430 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>C51, K5