@incollection{Lemke98-multiplying,
  author	= {Lemke, Jay},
  editor	= {Martin, J. R. and Veel, Robert},
  title		= {Multiplying meaning: visual and verbal semiotics in scientific text},
  pages		= {87--113},
  booktitle	= {Reading science: critical and functional perspectives on discourses of science},
  publisher	= {Routledge},
  year		= {1998},
  address	= {London}
}