1. Available potential energy and the maintenance of the general circulation;Lorenz;Tellus,1955
2. “Über die Energie der Stürme;Margules;Jahrb. Zentralanst. Meteorol.,1903
3. The energy available in the atmosphere for conversion into kinetic energy;Van Mieghem;Beitr. Phys. Atmoaphäre,1958
4. Energies potentielle et interne convertibles en dnergies cindtique dans l'atmosphbre;Van Mieghem;Beitr. Phys. Atmoaphäre,1957