deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 82d1c51..4235fdf 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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}  @Article{Griffiths1994,  author = {D. J. Griffiths}  year = {1994},  title = {See for example, Introduction to Quantum Mechanics" (first Edition) by D. J. Griffiths}  } 
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}  @Article{Hossenfelder2012,  author = {S. Hossenfelder}  year = {2012},  title = {For a good recent discussion, see S. Hossenfelder, Quantum Superpositions of the Speed of Light", Foundations of Physics, 42, 11, 1452-1468},  note = {% http://dx.doi.org/10.1007/s10701-012-9678-0 }