( NÖLB ) Main definitions and conventions for the measurement of research and experimental development (R&D). - o.O., 1994 ( Seiten: 31 S.) (OECD. OECD working papers ; 2, 49) ( - (OECD working papers ; 2, Nr. 41/50)) Sign.Werk: 131.146 C 2,41/50 | Sto: SO *