Dobrovolny J.S <br/><br/>
Problems in Enginnering drawing and geometry 

 - Illinois :  Stipes publishing company,  c1966 
 - iv,38p  ill.  28cm 
 - problems in Engineering Drawing and Geometry,  series 15. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>604.2076  / DOB