scientific article published in 1965

scholarly article by Julius Schlocker published 1962 in Open-File Report

scientific article published in 1950

scholarly article by D.H. Radbruch published in January 1958

scientific article published in 1963

scholarly article by Julius Schlocker published 1971 in Open-File Report

scientific article published in 1963

scholarly article by Julius Schlocker published in January 1974

scholarly article by Julius Schlocker et al published 1954 in Open-File Report

scholarly article published in January 1967

scientific article published in 1953

scholarly article published 1989