TY - JOUR T1 - The use of helicopter-borne neutron detectors to detect nuclear warheads in the USSR-US Black Sea experiment AU - S.T. Belyaev, V.I. Lebedev, B.A. Obinyakov, M.V. Zemlyakov, V.A. Ryazantsev, V.M. Armashov, S.A. Voshchinin PY - 1990 T2 - Science & Global Security SP - 328 EP - 333 VL - 1 IS - 3-4 N2 - UR - http://scienceandglobalsecurity.org/archive/sgs01belyaev.pdf 0