Walker, Gordon <br/><br/>
Astronomical Observations  An Optical Perspective 

 - Cambridge:  Cambride university press,  1987. 
 - xii,347p.;  ill.  25cm 
<br/><br/><label>ISBN: </label>0521339073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>522  / WAL