B. Neumann Thorsten von Sydow Holger Blume Tobias G. Noll Application Domain Specific Embedded FPGAs for Flexible ISA-Extension of ASIPs. 129-143 2008 53 Signal Processing Systems 1-2 http://dx.doi.org/10.1007/s11265-008-0211-9 db/journals/vlsisp/vlsisp53.html#NeumannSBN08