Humphrys, L.G. <br/><br/>
Wonders of life 2 / 
L.G. Humphrys 
 - London :  Blacknie & Son Limited,  1960 
 - 176 p. 
<br/><br/><label>Subjects--Index Terms: </label>Sinh học 
<br/><br/><label>Dewey Class. No.: </label>570  / HUM(2) 1960