BACKGROUND Pica, the craving and subsequent consumption of non-food substances such as earth, charcoal, and raw starch, has been an enigma for more than 2000 years. Currently, there are little available data for testing major hypotheses about pica because of methodological limitations and lack of attention to the problem. METHODOLOGY In this paper we critically review procedures and guideline...

This work aims to characterize the morphosedimentaty dynamics of shores Al-Hoceima Bay through geochemical and mineralogical analysis surface sediments. The results reveal a direct relationship between marine hydrodynamic forcing on one hand detrital inputs from land other. Calcimetric makes it possible highlight transport deposition processes at beaches bay. difference in reasonably high carbo...

This work is the critical edition of catalog Holy Roman Emperor Leopold’s II mineralogical collection. The volume, unpublished and preserved at Historical Archives University Firenze Museum System, dates to 1765 describes 242 specimens coming primarily from current Slovak-Hungarian mining district. gives transcription German manuscript its translation into English together with an organized sys...

The paper shows that there is no finite set of forbidden minors which characterizes classes of independence models that are representable by Gaussian, discrete and binary distributions, respectively. In addition, a way to prove the nonexistence of a finite characterization for any other class of independence models is suggested. MSC 2000: 60A99, 68T30, 94A15

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