@TechReport{pearl:17-r470,
  author = 	 "Pearl, J.",
    title = 	 "The Eight Pillars of Causal Wisdom",
  institution =  "Department of Computer Science, University of California, 
		  Los Angeles",
  address = 	 "CA",
  year = 	 2017,
  number =	 "R-470, {$<$http://ftp.cs.ucla.edu/pub/stat\_ser/r470.pdf$>$}"
}