Azul, Hayden <br/><br/>
Periodic table of the elements [chart] / 
Hayden U. Azul. 
 - Metro Manila :  [s.n],  c1997. 
 - 1 chart : col. ; 28 x 20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodic table of elements.