Gysel, Heinrich. <br/><br/>
Tables of percentage composition of organic compounds :  Prozenttabellen organischer Verbindungen. Table des compositions centesimales des combinaisons organiques / 
[By] H[einrich] Gysel. 
 - Basel :  Birkhauser,  1951. 
<br/><br/> Edition has German title first.  Text in German, English and French. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Organic -- Tables.--Chemistry, Organic -- Tables.