Walker, John <br/><br/>
Distribution of plants and animals  [videorecording] : 
produced by John Walker 
 - Chicago :  Encyclopaedia Britannic Films,  [n.d.] 
 - 1 videocassette (U-matic) (16 min.] :  sd. col. ;  3/4 in. 
<br/><br/>Editor, Fred Strauss  Editor, Fred Strauss 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Adaptation<br/>Animals--Adaptation<br/>Adaption (Biology)