Schmidt, Hans
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OCCURRENCE, ORIGIN AND MINING OF MESOZOIC MANGANESE NODULES..:

Gursky, Hans-Jürgen ; Gursky, Monika M ; Sattler, Carl-Diedrich...
https://periodicos.ufmg.br/index.php/revistageonomos/article/view/11601/8339.  , 2013
 
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