Crenk, Quentin C.B <br/><br/>
Plant invanders  the treat to natural ecospstems. 

 - 2nd ed. 
 - London  Chapman and Hall  1995 
 - xiv, 241 p.: ill.; 22 cm. 
<br/><br/><label>ISBN: </label>412483807 
<br/><br/><label>Dewey Class. No.: </label>632.5  / C74P