1. Properties and performance of the prototype instrument for the Pierre Auger Observatory;Nucl. Instr. and Meth. A,2004
2. http://www.analog.com/
3. Programmable Logic Devices Family, http://www.altera.com/products/devices/dev-index.jsp
4. R. Ball, D. Nitz, GAP-1998-067 (1998), http://www.auger.org/admin/GAP_Notes/
5. Z. Szadkowski, GAP-2002-050 (2002), GAP-2002-058 (2002), http://www.auger.org/admin/GAP_Notes/