Universal decimal classification. UDC 55/59 :   geology, geophysics, palaeontology, biology, botany, zoology 

 - 4th ed. 
 - London :   British Standards Institution,   1955. 
 - v.2, parte 3, 91 páginas 
 - FID. Publicaçao ; no. 179 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanica<br/>Biologia<br/>Zoologia
<br/><br/><label>Subjects--Index Terms: </label>Cdu Clasificacion Decimal Universal