Federaton University, Australia

Institut für Geographie und Geologie, Universität Greifswald

University of Southern Mississippi

Professor of Geology, Jai Narain Vyas University, Jodhpur

Nanjing institute of Geology and Palaeontology, Chinese Academy of Sciences

Assistant Professor, Hamilton College, Geoscience Department

Professor, Universidade Federal do Rio Grande do Sul

Euro Engineering

Researcher pf Earth Science, Tartu University

University of Granada