Mackenzie, Fred T.,  1934- <br/><br/>
Our changing planet :  an introduction to earth system science and global environmental change / 
Fred T. Mackenzie, Judith A. Mackenzie 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1995 
 - 387 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0023736534  RM92.24 
<br/><br/><label>LCCN: </label>94-10075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences<br/>Human ecology<br/>Man--Influence on nature