deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index e69de29..2efdc4e 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
@article{sensitivity,  author = "Crane, P. C., & Napier, P. J.",  title = "Lecture 7. Sensitivity",  journal = "Synthesis Imaging in Radio Astronomy",  volume = "6",  pages = "139--167",  year = "1989"  }  @article{design1,  author = "Hjellming, R. M",  title = "Lecture 25. Array Design",  journal = "Synthesis Imaging in Radio Astronomy",  volume = "6",  pages = "477--500",  year = "1989"  }  @article{design2,  author = "Holdaway, M. A., & Helfer, T. T.",  title = "Lecture 27. Interferometric Array Design",  journal = "Synthesis Imaging in Radio Astronomy II",  volume = "180",  pages = "537--563",  year = "1999"  }  @article{cost1,  author = "Clark, B. G.",  title = "EVLA Memo 29 - Towards a Cost Equation for Multi-element station"  year = "2001",  DOI = "http://library.nrao.edu/public/memos/evla/EVLAM_29.pdf"  }  @article{cost2,  author = "Weinreb, S.",  title = "ALMA Memo 6 - Cost Equation for a Millimeter Wave Array"  year = "1983",  DOI = "http://library.nrao.edu/public/memos/alma/memo006.pdf"  }  @article{cost3,  author = "Downes, D.",  title = "ALMA Memo 22 - Cost Diameter Curves"  year = "1985",  DOI = "http://library.nrao.edu/public/memos/alma/memo022.pdf"  }  @article{cost4,  author = "D'Addario, L. R.",  title = "ALMA Memo 55 - Millimiter Array Correlator Equation Correction"  year = "1989",  DOI = "http://library.nrao.edu/public/memos/alma/memo055.pdf"  }  @article{cost5,  author = "Holdaway, M. A.",  title = "ALMA Memo 199 - Cost-benefit Analysis for the number of MMA configurations"  year = "1998",  DOI = "http://library.nrao.edu/public/memos/alma/memo199.pdf"  }  @article{cost6,  author = "Yun, M. S., & Kogan, L",  title = "ALMA Memo 199 - Cost-benefit Analysis of ALMA configurations"  year = "1999",  DOI = "http://library.nrao.edu/public/memos/alma/memo265.pdf"  }