Detection of thermal neutrons by borazole filled proportional counters Back to all publications Publication date 1 January 1954 Reference A. E. de Vries, H. Jansz, J. Kistemaker, H. C. Hamers, J. Blok and C. C. Jonker, Detection of thermal neutrons by borazole filled proportional counters, Physica 20, 1138-1140 (1954)