TY  - JOUR
AU  - K. V. Topchieva
AU  - I. F. Moskovskaya
TI  - On the nature of the acidity of silica-alumina cracking catalysts
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 891
EP  - 894
VL  - 123
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_123_5_a31/
LA  - ru
ID  - DAN_1958_123_5_a31
ER  -