New introduction to modal logic /

Autor Hughes, G. E., Cresswell, M. J., 1939-
Vydáno 1996

The effect of the addition of heat from a powerplant on the thermal structure and evaporation of Lake Colorado City, Texas /

Autor Harbeck, G. Earl, 1911-1986, Hughes, G. E., Koberg, Gordon E., 1919-
Vydáno 1959