Happach, Vollrat <br/><br/>
Technisches rechnen 
Vollrat Happach 
 - 5. bs. 
 - Berlin  Springer-Verlag  1952 
 - 66 s.  24 cm. 
 - Werkstattbücher  heft 52 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>515 HAP 1952