1. 2
. Fristrom J. Manager in a Strange Land: Content Turnaround. Gamasutra (Dec. 5 2003); http:// www.gamasutra.com/features/20031205/fristrom_ 01.shtml (free account and password required). 2. Fristrom J. Manager in a Strange Land: Content Turnaround. Gamasutra (Dec. 5 2003); http:// www.gamasutra.com/features/20031205/fristrom_ 01.shtml (free account and password required).
2. 3
. Gamasutra (Web portal for game developers free account and password required): see http:// www.gamasutra.com/. 3. Gamasutra (Web portal for game developers free account and password required): see http:// www.gamasutra.com/.
3. 5
. Hamming R.W. Digital Filters. Dover Garden City: NY 1998. 5. Hamming R.W. Digital Filters . Dover Garden City: NY 1998.