This author has not been identified. Look up 'Doug Williams' in GoogleThis author has not been identified. Look up 'Ian Kegel' in GoogleThis author has not been identified. Look up 'Pablo César' in GoogleThis author has not been identified. Look up 'Jack Jansen' in GoogleThis author has not been identified. Look up 'Marian Florin Ursu' in GoogleThis author has not been identified. Look up 'Erik Geelhoed' in Google