Suggested format guidelines for the conversion of API documents to the metric SI system 

 - Washington:  API,  1974 
 - 11 p.  cuadros. 
<br/><br/>06293 
<br/><br/>Introduction and purpose. Introducing SI units in texts. General rules. Introducing SI units in text. Introducing SI units in ilustrations. Metric conversion factors used in tables. Introducing SI units in table. Format examples for introducing SI units into tables.   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sistema Métrico<br/>Petróleo<br/>Normalización
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos
<br/><br/><label>Dewey Class. No.: </label>389.6  / A642