Toomer, Derek. <br/><br/>
El mundo que no vemos 
Derek Toomer y Alan Cane. 
 - [Madrid]  [Danbury, CT]  Interiberica, S.A.  Danbury Press  c1975. 
 - 144 p.  col. ill.  27 cm. 
 - La vida en el planeta Tierra  v. 5 .
<br/><br/> Includes index.  Translation of Invisible world. 
<br/><br/><label>ISBN: </label>8438200079  8438200265  US99.50. 
<br/><br/><label>LCCN: </label>73009922  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbial ecology<br/>Ecologʹia microbiana.<br/>Microorganisms