"En poste : Department of soil mechanics and physics, university of Nebraska, Lincoln, (en 1996)" . "A. Ivan" . . "1919"^^ . "13477604"^^ . . . . "1997-11-19" . "Artificial recharge of ground water, 2 / A. Ivan Johnson and R. David G. Pyne, 1995. - . - LCNA (CD), 1996-06. - . -"@fr . "Johnson" . . . . . . . "A. Ivan Johnson"@fr . . "En poste : Department of soil mechanics and physics, university of Nebraska, Lincoln, (en 1996)" . . . "En poste : Department of soil mechanics and physics, university of Nebraska, Lincoln, (en 1996)"@fr . "A. Ivan Johnson" . "1997-11-19" .