Brewer, Garry D. <br/><br/>
Policy analysis by computer simulation :  the need for appraisal / 
Garry D. Brewer, Owen P. Hall, Jr. 
 - California :  Rand Corporation,  1972 
 - 51 pages ;  28 cm. 
 - The Rand paper series ;  p. 4893 .
 - Rand paper series ;  p. 4893 .