Castroviejo Bolibar, Javier <br/><br/>
Karyotypes of four species of birds of the families ploceidae and paridae / 
J. Castroviejo, L. C. Christian and A. Gropp. 
 -- [S.l.] :   [s.n.],   [1969?] 
 - p.134-136  il. 
<br/><br/> Separata de : Journal of Heredity, vol.60, n.3, may-june 1969, by American Genetic Association 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves - Genética
<br/><br/><label>Universal Decimal Class. No.: </label>598.2-15 ; 575.11:598.2