Sokol R.P. Au. <br/><br/>
Puzzle of equality 
Sokol R.P. Au. 
 - Charlottesville  Michie company Charlottesville        1967 
 - 122p  cm. 
<br/><br/><label>Standard No.: </label>13,304 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>V73:58(Z), K7