Amores, Roderick <br/><br/>Agham pangkalikasan ll  / Roderick Amores.--  -- Quezon City:  UP Kagawaran sa Agham at Teknolohiya.  1997. <br/>419 p. :  ill. ;  25 cm.  <br/><br/><label>ISBN: </label>9718781471 <br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences. <br/>Molecules biology.<br/>Natural sciences.<br/><br/><label>Dewey Class. No.: </label>Fil 550 Ag39 1997