Compactness ( motion picture) / 
Open University 
 - Milton Keynes :  The Open University Press,  1974 
 - 1 film reel (24 min.) :  sd., b&w. ;  16 mm. + notes 
<br/><br/> In this programme, Don Mansfield & Peter Strain introduce a new topological property, compactness.  This concept characterizes, in topological terms, the properties of closed bounded subsets of the real line  Bahan rosak (Lupus) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compact groups