1. Energy budget studies;Anderson;U.S. Geol. Surv. Circ.,1952
2. On the variation of the atmosphere radiation;Ångström;Gerlands Beitr. Geophys.,1925
3. Cruise MED92;Belardinelli,1992
4. Measurement of the effective radiation of the Earth with varying cloud amounts;Berliand;Izv. Akad. Nauk. SSSR, Ser. Geofiz.,1952
5. Appunti sulla campagna LIGUR-90;Bignami,1991