title: Sum range over sheets in google spreadsheets
body: <p>Is it possible to range over sheets in one spreadsheet ?</p>
  
  <p>Ive got sheets: S, A, B, C, D. In S I would like to do (for some cell C4):</p>
  
  <pre><code> =SUM(A:D!C4) 
  </code></pre>
  
  <p>To sum C4 in A, B, C, and D. It is doable in google spreadsheet at all ? </p>