Reguant, Salvador, 1928-20162012-11-152012-11-1519810567-7505https://hdl.handle.net/2445/32733Colleagues, Ladies and Gentlemen. My presence here is due to accidental circumstances and I must confess that I feel a little embarassed by the fact Both your scientific quality and the worlwide acceptance of the results achieved by you in your research fields make me prudent and, to a certain extent, cautious.3 p.application/pdfeng(c) Reguant, Salvador, 1928-, 1981BioestratigrafiaStratigraphic paleontologyinfo:eu-repo/semantics/article0074622012-11-15info:eu-repo/semantics/openAccess