Geothermal Energy. Technology. Ecology : 1993 Course, Text-Book Guideline. Blagoevgrad: 1993 480 p. : ill.
Geothermal Energy. Technology. Ecology : 1993 Course, Text-Book Guideline. Blagoevgrad: 1993 480 p. : ill.
(1993) Geothermal Energy. Technology. Ecology : 1993 Course, Text-Book Guideline, Blagoevgrad: 480 p. : ill.
(1993). Geothermal Energy. Technology. Ecology : 1993 Course, Text-Book Guideline. Prossedings of the International Summer School on Direct Application of Geothermal Energy. Blagoevgrad: 480 p. : ill.
Geothermal Energy. Technology. Ecology : 1993 Course, Text-Book Guideline: Prossedings of the International Summer School on Direct Application of Geothermal Energy. Blagoevgrad: 1993. p. 480 p. : ill.