Biology :  A Guide to the natural world / 
Krogh , David . 
 - 3rd ed. 
 - New Jersey :  Pearson,  2005. 
 - xxix,777 p.:  coll , ill.; 
<br/><br/><label>ISBN: </label>0131449567 
<br/><br/><label>LC Class. No.: </label>QH308.2  / .K76 2005