METHOD OF PREPARING CATALYST FOR PYROLYSIS OF HYDROCARBON RAW MATERIALS - MOTORINA IRINA A,SU; NIKONOV VLADIMIR I,SU; MUKHINA TAMARA N,SU; RUDYK EVGENIJ M,SU; ADELSON SOFYA V,SU; ZADKO IVAN I,SU; BARABANOV NIKOLAJ L,SU; CHERNYKH SERGEJ P,SU; KREJNINA GALINA P,SU; ZHAGFAROV FERDAVAS G,SU (1981)