ALLEN, JOHN R.
Heating and air conditioning. By John R. Allen & James Herbert Walker. 4th ed. Formerly pub. as Heating and ventilation.
ALLEN, JOHN R. Heating and air conditioning. By John R. Allen & James Herbert Walker. 4th ed. Formerly pub. as Heating and ventilation. © 22Jul35; A85137. Gertrude M. Walker (W); 6May63; R315290.
Gertrude M. Walker|W