Calvo Hernando, Manuel. <br/><br/>
Periodismo científico / 
Manuel Calvo Hernando. 
 - Madrid :  Paraninfo,  1977. 
 - 330 p. ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8428308772 9788428308779 
<br/><br/><label>LCCN: </label>77553733  
<br/><br/><label>Nat. Bib. No.: </label>Sp*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Journalism, Scientific.
<br/><br/><label>LC Class. No.: </label>PN 4784  / C169p 1977