by Fugelso, L.Erik, Albright, James N., Langner, Gerald C., Burns, Kerry L.
Published in International journal of impact engineering (1990)

by Fugelso, L E, Albright, J N, Langner, G C, Burns, K L
Published in International journal of impact engineering (12.12.1989)

by LANGNER C G, VISSER R C
Year of Publication 01.09.1980

by KOLB R H, LANGNER C G
Year of Publication 04.05.1977

by KOLB R H, LANGNER C G
Year of Publication 07.03.1977

by KOLB R H, LANGNER C G
Year of Publication 24.01.1977