Question 8/V - Interference testing and measurement (New Question) The CCITT intends to collect together testing and measurement methods for interference and protection techniques in a single document, by assembling, harmonizing and where necessary completing the documents listed below, for publication in a Handbook: - The Directives, - K-Series Recommendations, - Recommendation P.36, - Contributions COM V-67*, 68*, (Period 1985-1988).