Sumner, John A.
An introduction to heat pumps John A.Sumner - Dorset: Prism, 1980. - 64p. ;
PB
Eng
0907061001
621.4025 / SUI
An introduction to heat pumps John A.Sumner - Dorset: Prism, 1980. - 64p. ;
PB
Eng
0907061001
621.4025 / SUI