@Article{	  ref1,
  author	= {{Author 1}},
  title		= {Title 1},
  journal	= {Journal 1},
  volume	= {1},
  number	= {1},
  pages		= {1-11},
  year		= {2001}
}

@Article{	  ref2,
  author	= {{Author 2}},
  title		= {Title 2},
  journal	= {Journal 2},
  volume	= {2},
  number	= {2},
  pages		= {2-22},
  year		= {2002}
}