On the accuracy of trap nest records /
Pearl, Raymond
On the accuracy of trap nest records / by Raymond Pearl - Orono, Maine : [s.n.], 1911 - 186-193 p. ; 24 cm - Annual report of the Maine Agricultural Experiment Station .
Tav. di studio SZN
On the accuracy of trap nest records / by Raymond Pearl - Orono, Maine : [s.n.], 1911 - 186-193 p. ; 24 cm - Annual report of the Maine Agricultural Experiment Station .
Tav. di studio SZN