Escobal, Pedro Ramon. <br/><br/>
Methods of orbit determination / 
Pedro Ramon Escobal. 
 - [2nd ed.] 
 - Huntington, N.Y. :  R. E. Krieger Pub. Co.,  1976 
 - xix, 479 p. :  ill. ;  24 cm. 
<br/><br/> Reprint of the ed. published by Wiley, New York. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0882753193  RM267.33 
<br/><br/><label>LCCN: </label>75-011889 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrodynamics.<br/>Artificial satellites--Orbits.