Mayer-Gross, Henry <br/><br/>
Report of the nest record scheme, 1961 / 
by H. Mayer-Gross. 
 -- [S.l.] :   [s.n.],   [1962?] 
 - p.252-258 
<br/><br/> Separata de: Bird Study, vol. 9, n.4. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves - Reproducción
<br/><br/><label>Universal Decimal Class. No.: </label>591.56:598.2