Minnaert, M.G.J. <br/><br/>
Practical work in elementary astronomy 

 - Dordrecht:  Reidel Publishing Company  1969 
 - xxiii, 247p. :   il; 24 cm. 
<br/><br/> Contents: Space and time, instruments. The motions of celestial bodies. Planets and satellites. The sun. The stars 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía