Nash, Robert D. <br/><br/>
Ecosystems and the biosphere  [videorecording] / 
produced and directed by Robert D. Nash 
 - Olathe:  RMI Media Productions ,  1996 
 - 1 videocassette (VHS) (30 min.) :  sd. col. ;  1/2 in. 
<br/><br/>Editor, Darren J. Orr; executive producer, James Le May  Editor, Darren J. Orr; executive producer, James Le May 
<br/><br/><label>ISBN: </label> RM360.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology