Ozuin - Basic ground-water hydrology: US Geological Survey Water Supply Paper 2220 - eai gávdnon bohtosat.
Geahččal viiddidit ohcama: Buot deaivamat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: Basic ground-water hydrology: US Geological Survey Water Supply Paper 2220~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: Basic ground-water hydrology: US Geological Survey Water Supply Paper 2220*.
