TY - JOUR T1 - The Black Sea Experiment: 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 - 2009 T2 - Science & Global Security SP - 186 EP - 193 VL - 17 IS - 2-3 N2 - UR - http://scienceandglobalsecurity.org/archive/sgs17belyaev.pdf 0