Taptoe Delft programma 1964 Programma taptoe Delft 1965 Taptoe Delft 1966 Taptoe Delft ' 67 Taptoe Delft [1968] Taptoe Delft 1970 Taptoe Delft 1971 Taptoe Delft 1972 een en twintigste taptoe Delft 1974 Hoe men den Amerikaanschen militair herkent outline of missile propulsion and guidance / comp. by A.C. van Schaik Caltex fuel oil : fundamentals of combustion, application specifications handling / Caltex Petroleum Products
