Unsolved problems in number theory. /

by Guy, Richard K.
Published 1994

Technik-wörterbuch. Bauwesen. Rusisch-Deutsch.

by Strum, Walter, Stopel, Richard K.
Published 1973

Twelve doors to Japan /

by Hall, John Whitney 1916-, Beardsley, Richard K.
Published 1965

Prečo robia múdri ľudia hlúposti? /

by Sternberg, Robert J., Hyman, Ray, Dweck, Carol S., Wagner, Richard K., Perkins, David N., Ayduk, Ozlem, Mischel, Walter, Halpern, Diane F., Stanovich, Keith E., Grigorenko, Elena L., Lockery, Donna, Austin, Elizabeth J., Deary, Uan J., Moldoveanu, Mihnea, Langer, Ellen
Published 2004

Fifth generation computers /

Published 1987

Ethics in public management /

Published 2005