Title:Traducción: La constitución del ente en el tomismo contemporáneo de Tomás Tyn, Johannes Baptist Lotz y Cornelio Fabro / The Constitution of Being in Contemporary Thomism. Tomas Tyn, Johannes Baptist Lotz, Cornelio Fabro
Title:Study of a pilot plant for the recovery of metals from spent alkaline and zinc-carbon batteries with biological sulphuric acid and polithionates production.