deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 8af615c..65feeee 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
author = "Napier, P. J.",  title = "Lecture 3. Primary Antenna Elements",  journal = "Synthesis Imaging in Radio Astronomy II",  volume = "6",  pages = "37--56",  year = "1999"  } 
...
author = "Crane, P. C. and Napier, P. J.",  title = "Lecture 7. Sensitivity",  journal = "Synthesis Imaging in Radio Astronomy",  volume = "6",  pages = "139--167",  year = "1989"  } 
...
author = "Hjellming, R. M",  title = "Lecture 25. Array Design",  journal = "Synthesis Imaging in Radio Astronomy",  volume = "6",  pages = "477--500",  year = "1989"  } 
...
author = "Holdaway, M. A. and Helfer, T. T.",  title = "Lecture 27. Interferometric Array Design",  journal = "Synthesis Imaging in Radio Astronomy II",  volume = "180",  pages = "537--563",  year = "1999"  } 
...
DOI = "http://library.nrao.edu/public/memos/alma/memo265.pdf"  }