Population and economic growth  [motion picture] / 
made by BBC-TV ; written and narrated by Leslie Wagner. 
 - Milton Keynes :  Open University,  1971. 
 - 1 film reel (25 min.) :  sd., b&w. ;  16 mm. 
 - Open University/Understanding society  D100, film no. 34 .
<br/><br/> Leslie Wagner looks on' Law of Diminishing Return'  Television note: 3p.  Converted into VHS 1/2 in. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population<br/>Malthusianism<br/>Economic development