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\bibitem{Pentcheva_etal1990} {\textquotedblleft}\textit{Comportement hydrog{\'e}ochimique des {\'e}l{\'e}ments traces au cours de l{\textquoteright}interaction eau -- roche en milieu alcalin}{\textquotedblright}. Pentcheva EN, Petrov PS, Veldeman E, Van {\textquoteright}t dack L, Gijbels R, Doklady Bolgarskoi Akademii Nauk \textbf{43}, 51 (1990)

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