E. Heidbreder

Measurements of the distribution in energy and angle of high-energy neutrons in the lower atmosphere

V. Schönfelder, C. Reppin, K. Pinkau, 1971 .

Measurement of the distribution in energy and angle of high-energy albedo neutrons and determination of an upper limit for the solar neutron flux

V. Schönfelder, C. Reppin, K. Pinkau, 1970 .

A balloon borne detector to determine high energy neutrons in energy and direction

V. Schönfelder, C. Reppin, K. Pinkau, 1970 .

Design of a neutron scattering chamber using Monte Carlo calculations

R. Gorenflo, V. Schönfelder, C. Reppin, 1969 .

Factors in retirement adjustment: White-collar/blue-collar experience.

E. Heidbreder, 1972 .