TY - JOUR AU - V. E. Plyushchev TI - Reversibility of the reaction between beta spodumene and potassium sulphate JO - Doklady Akademii Nauk PY - 1960 SP - 584 EP - 586 VL - 131 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_131_3_a32/ LA - ru ID - DAN_1960_131_3_a32 ER -