Soop K. 1961: On neutron production in a rotating plasma — Royal Institute of Technology (Stockholm, graduate thesis)

Angerth B., Block L., Fahlesson U., Soop K. 1962: Experiments with partly ionized rotating plasmas — Nuclear Fusion Suppl.: 139-146

Soop K. 1964: Multiple-scattering contribution to particle diagnostics in the neutrino experiment — CERN NPA 64-3

Soop K. 1966: Differences between hydrogen and heavy-liquid geometry programs and some details about fitting in the program DRAT — CERN NPA 66-13

Soop K. 1966: The operation and basic functioning of DOLL — CERN NPA Doll Notes 1-7

Soop K. 1967: The particle fit — CERN NPA 67-26

Soop K. 1967: Bubble chamber measurements and their evaluation — Progr. in Nuclear Techn. & Instr. (2): 219-328