energy conservation: / john.t. dieckmann
By: "dieckmann, john t. ".
Material type:
BookPublisher: usa : 1979Edition: 1 ed.Description: "x, 0p.; 29 cm.".Subject(s): --DDC classification: 621. 042 die
BookPublisher: usa : 1979Edition: 1 ed.Description: "x, 0p.; 29 cm.".Subject(s): --DDC classification: 621. 042 die
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