Page 80 in Wilbur Schramm and Daniel Lerner (eds.), Communication and change: the last ten years - and the next. University Press of Hawaii, Honolulu. 372 pages., "Initially, the communication in Comilla was from the top down. It was essential to prime the pumps, so that self-sustaining local action could be generated. The importance of top-down communication should not be underestimated. It was necessary to start the engine of local initiative and action. Once local participation was initiated, open communication in all directions is necessary to strengthen and maintain it."