A. Pfeffer

Structural and metabolic properties of green tissue cultures from a CAM plant, Kalanchoë blossfeldiana hybr. Montezuma

M. Kluge, R. Hell, D. Kramer, 1987 .

Hermaphrodites in australian pigs. Occurrence and morphology in an abattoir survey.

H. Winter, A. Pfeffer, 1977, Australian veterinary journal.

Bark and Ambrosia beetles from the central and west palaearctic region (Coleoptera, Scolytidae, Platypodidae).

A. Pfeffer, 1995 .