Juan Francisco Ruiz

1. A Prehistoric Mural in Spain Depicting Neurotropic Psilocybe Mushrooms?1
   2011/02/16 by Brian P. Akers, B P Akers, Juan Francisco Ruiz +3 · 4 citations
   Social Sciences · Earth and Planetary Sciences · #Archaeology and Rock Art Studies #Pleistocene-Era Hominins and Archaeology #Archaeology and ancient environmental studies