This author has not been identified. Look up 'Wim van Drongelen' in GoogleThis author has not been identified. Look up 'Hyong Chol Lee' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Mark Hereld' in GoogleThis author has not been identified. Look up 'David Jones' in GoogleThis author has not been identified. Look up 'Matthew Cohoon' in GoogleThis author has not been identified. Look up 'Frank Elsen' in GoogleThis author has not been identified. Look up 'Michael E. Papka' in GoogleThis author has not been identified. Look up 'Rick L. Stevens' in Google