U. M. Norberg

The cost of hovering and forward flight in a nectar-feeding bat, Glossophaga soricina, estimated from aerodynamic theory.

T. Kunz, O. von Helversen, Y. Winter, 1993, The Journal of experimental biology.

Hovering Flight in the Pied Flycatcher (Ficedula Hypoleuca)

U. M. Norberg, 1975 .

Aerodynamics, kinematics, and energetics of horizontal flapping flight in the long-eared bat Plecotus auritus.

U. M. Norberg, U M Norberg, 1976, The Journal of experimental biology.

Some Advanced Flight Manoeuvres of Bats

U. M. Norberg, Ulla M. Norberg, 1976 .

Aerodynamics of hovering flight in the long-eared bat Plecotus auritus.

U. M. Norberg, U M Norberg, 1976, The Journal of experimental biology.