A case study of Troutbeck and Windermere  [motion picture] / 
Open University ; D. E. Jackson...[et al.] 
 - Milton Keynes :  Open University,  1973 
 - 1 film reel (24 min.) :  sd., b&w. ;  16 mm. +  notes 
<br/><br/> This programme is devoted to a field case study in the English Lake District and examines stream and lake as habitats for various organisms, particularly fish as well as the physical processes going on in them and the land forms which result from these processes  Bahan rosak (Lupus) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lake ecology<br/>Ecology