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- Why I Don't Have A Girlfriend: An application of the Drake Equation http://www2.warwick.ac.uk/fac/soc/economics/staff/phd_students/backus/girlfriend/why_i_dont_have_a_girlfriend.pdf 7 comments
- Why I don’t have a girlfriend: An application of the Drake Equation http://www2.warwick.ac.uk/fac/soc/economics/staff/phd_students/backus/girlfriend 19 comments