Lewitt, R.M. <br/><br/>
Mini-snark - version.2   
by R.M. Lewitt 
 - Pennsylvania  University of Pennsylvania  1982 
 - Sectional 
<br/><br/> MIPG Technical Reprt; No.68 
<br/><br/><label>Dewey Class. No.: </label>001.6425  / N824