Photovoltaïc power supply for groundwater-level measurement
= Photovoltaische stromversorgung zur grundwasser-pegelstandsmessung
/ Commission of the European Communities
. - Luxembourg : Office for Official Publications of the European Communities, 1992
. - 77 p. : ill. ; 30 cm.
- Energy EUR 14119 DE/EN .
9282643603 9789282643600
Fonds FSA
620.91
9282643603 9789282643600
Fonds FSA
620.91