TY - JOUR AU - Yu. V. Kissin AU - V. I. Tsvetkova AU - N. M. Chirkov TI - The isotacticity of polypropylene as estimated from its infrared spectra JO - Doklady Akademii Nauk PY - 1963 SP - 1162 EP - 1165 VL - 152 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a35/ LA - ru ID - DAN_1963_152_5_a35 ER -