PETROCHEMICAL RESEARCH AND DEVELOPMENT Authors László Vajta Citation data from Crossref and Scopus PDF How to Cite Vajta, L. “PETROCHEMICAL RESEARCH AND DEVELOPMENT ”, Periodica Polytechnica Chemical Engineering, 22(1), pp. 21–35, 1978. More Citation Formats Periodica Polytechnica Numbered ACM Chicago Harvard IEEE Vancouver Issue Vol. 22 No. 1 (1978) Section Articles