TY - JOUR AU - O. L. Lebedev AU - M. L. Khidekel' AU - G. A. Razuvaev TI - Isotopic analysis of nitrogen by the method of electron paramagnetic resonance JO - Doklady Akademii Nauk PY - 1961 SP - 1327 EP - 1329 VL - 140 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_140_6_a22/ LA - ru ID - DAN_1961_140_6_a22 ER -