Mayer-Gross, Henry
Report and other items : report on the nest record scheme 1959 / by H. Mayer-Gross. -- [S.l.] : [s.n.], 1960 - p.241-247
Separata de: Bird Study, vol.7, n.4.
Aves - Control biológico
Aves - Reproducción
591.56:598.2
Report and other items : report on the nest record scheme 1959 / by H. Mayer-Gross. -- [S.l.] : [s.n.], 1960 - p.241-247
Separata de: Bird Study, vol.7, n.4.
Aves - Control biológico
Aves - Reproducción
591.56:598.2