1. 1992 Natural Radon measurement programme in Cypriot houses, which was finalised in January 1992. The results were published in international scientific journals and also were announced in the Cypriot press and radio. 1. 1992 Natural Radon measurement programme in Cypriot houses, which was finalised in January 1992. The results were published in international scientific journals and also were announced in the Cypriot press and radio.