(1992), pp. 117-126.
Journal for Research in Mathematics Education, Vol. 23, No. 5. (1992), pp. 441-467.
Journal for Research in Mathematics Education, Vol. 25, No. 2. (1994), pp. 116-140.
Educational Studies in Mathematics, Vol. 59, No. 1-3. (July 2005), pp. 85-112.
Cognition, Vol. 68, No. 2. (August 1998), pp. B63-B70.
International Journal of Behavioral Development, Vol. 21, No. 2. (1 August 1997), pp. 253-275.
Acta Psychologica, Vol. 127, No. 2. (February 2008), pp. 485-490.
Memory & cognition, Vol. 26, No. 2. (March 1998), pp. 355-368.
Memory & Cognition, Vol. 34, No. 1. (January 2006), pp. 207-216.
(13 Feb 2008)
Behavioral and Brain Functions, Vol. 3 (10 January 2007), 1.
The Journal of Symbolic Logic, Vol. 41, No. 2. (1976), pp. 503-512.
Annals of Pure and Applied Logic, Vol. 35 (1987), pp. 261-302.
The Journal of Symbolic Logic, Vol. 50, No. 2. (1985), pp. 423-441.
International Journal of Behavioral Development, Vol. 28, No. 4. (July 2004), pp. 347-357.
The Journal of Mathematical Behavior, Vol. In Press, Corrected Proof
Scandinavian Journal of Psychology, Vol. 46, No. 2. (April 2005), pp. 157-167.
Learning and Instruction, Vol. 4, No. 4. (1994), pp. 273-294.
Scandinavian Journal of Educational Research, Vol. 49, No. 1. (February 2005), 3.
ACM Trans. Math. Softw., Vol. 18, No. 4. (December 1992), pp. 481-491.
(2003)
Lecture Notes in Computer Science, Vol. 2517 (January 2002), pp. 160-169.
Theor. Comput. Sci., Vol. 313, No. 1. (February 2004), pp. 17-29.
(2002)
(1974)
Industrial Electronics, IEEE Transactions on, Vol. 53, No. 2. (2006), pp. 693-704.
(8 Dec 2007)
Computers, IEEE Transactions on, Vol. 49, No. 3. (2000), pp. 208-218.
Custom Integrated Circuits Conference, 1996., Proceedings of the IEEE 1996 (1996), pp. 513-516.
(1999)
Custom Integrated Circuits, 1999. Proceedings of the IEEE 1999 (1999), pp. 191-194.
(1997), pp. 103-122.
Low-Power Design, 1999. Proceedings. IEEE Alessandro Volta Memorial Workshop on (1999), pp. 61-69.
(1998), pp. 223-233.
(2003)
Field Programmable Logic and Applications, 2005. International Conference on (2005), pp. 305-310.
(2004), pp. 68-78.
Design & Test of Computers, IEEE, Vol. 15, No. 1. (1998), pp. 24-29.
(2002), pp. 667-676.
12th International Conference on Field-Programmable Logic and Applications 2002 (2002), pp. 657-666.
VLSI Signal Processing, IX, 1996., [Workshop on] (1996), pp. 199-208.
Low Power Electronics, 1994. Digest of Technical Papers., IEEE Symposium (1994), pp. 64-65.
FPGAs for Custom Computing Machines, 1998. Proceedings. IEEE Symposium on (1998), pp. 226-234.
VLSI Design, 1994., Proceedings of the Seventh International Conference on (1994), pp. 265-270.
(2003), pp. 195-204.
VLSI Design, 1995., Proceedings of the 8th International Conference on (1995), pp. 53-56.
Very Large Scale Integration (VLSI) Systems, IEEE Transactions on, Vol. 10, No. 6. (2002), pp. 806-823.
(2004), pp. 219-228.
Field-Programmable Custom Computing Machines, 2004. FCCM 2004. 12th Annual IEEE Symposium on (2004), pp. 37-46.