Modern computing methods/2e 

 - 2nd ed. 
 - London  Her Majestry's stationery office  1961 
 - vi, 169p. 
 - Notes on applied science; no.16 .
<br/><br/><label>Subjects--Index Terms: </label>Linear equations & Matrices 
<br/><br/><label>Dewey Class. No.: </label>004  / HMS