Oram, R.F. <br/><br/>
Biology/  Living systems 

 - 6th ed. 
 - Columbus  Merrill Publishing Company  1989 
 - x; 820p.  col.; ills. 
<br/><br/><label>ISBN: </label>0675 064856 03 
<br/><br/><label>LC Class. No.: </label>QH308.2  / .Or1 1989