Open University M101 <br/><br/>
Mathematics foundation course, videotape 25 : modelling pollution  [VHS Tapes]. 
Open University. 
 - Milton Keynes  Open University  1979 
<br/><br/> Minutes of play 24 
<br/><br/><label>ISBN: </label> 0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematical model.<br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>QA/36  / OPE