Newton, Isaac. <br/><br/>
Mathematical priciples of natural philosophy and his system of the world :   Volume two: The system of the world 

 - Berkeley :   University of California Press,   1962. 
 - p.397-680 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECANICA CLASICA<br/>LEY DE GRAVITACION UNIVERSAL<br/>ORBITA DE LOS PLANETAS
<br/><br/><label>Universal Decimal Class. No.: </label>531-11