Galaxies, axisymmetric systems and relativity  essays presented to W.B. Bonnor on his 65th  birthday 
<label>;</label> Maccallum, M.A.H. 
 - Cambridge  Cambridge U.P.  1985 
 - xix,300p.  25cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>530.1  / G