"Aguas subterráneas Mediciones Normas." . . . . "Richtlinie." . . "Soil analysis." . . . . . . . . . . . . . . . . . "ASTM standards on ground water and vadose zone investigation" . . . . . . . . . . . . "ASTM standards on design, planning, and reporting of ground water and vadose zone investigations" . . "ASTM standards on ground water and vadose zone investigations" . "ASTM standards on ground water and vadose zone investigations : drilling, sampling, well installation, and abandonment procedures" . "ASTM standards on ground water and vadose zone investigations"@en . . . . . "ASTM standards on design and planning for ground water and vadose zone investigations" . . . "Probenahme." . . "Wasseranalyse." . . "Acuíferos Mediciones Normas." . . "Water Supply analysis." . . "Grundwasser." . . "HIDROGEOLOGIA." . .