found: Belligerent reprisals, 1971:t.p. (Frits Kalshoven)
found: Zwijgt het recht als de wapens spreken?, 1985:t.p. (Mr. F. Kalshoven)
found: LC data base, 12/6/85(hdg.: Kalshoven, Frits; [usage not given])
found: Constraints on the waging of war, 1987:t.p. (Frits Kalshoven) p. 4 of cover (b. 1924)
found: Constraints on the waging of war, 2011:t.p. (Frits Kalshoven) p. 4 of cover (Professor Emeritus of Public International Law and of International Humanitarian Law at the University of Leiden)
found: Wikipedia, viewed January 23, 2023(Frits Kalshoven; born January 29, 1924 in The Hague; died September 6, 2017; retired naval officer and legal scholar in the field of international humanitarian law; taught at the Royal Netherlands Naval College; former professor at Leiden University) - https://nl.wikipedia.org/wiki/Frits_Kalshoven