@mastersthesis{78241,
  author = {ECMWF},
  title = {Newsletter No. 90 - Spring 2001},
  abstract = {<ul><li>MARS on the Web: a virtual tour</li><li>New physics parameters in the MARS achive</li></ul>
<p>
  &nbsp;</p>
},
  year = {2001},
  journal = {ECMWF Newsletter},
  month = {04/2001},
  language = {eng},
}