00354cam a22001097a 4500008004000000020001600040082001600056245008100072260005000153300000800203650003300211180718b1970   xxu||||| |||| 00| 0 eng d  a11 630046 9  aK12x42 R959  aThe increasing use of logical trees inthe civil sercivescBy W.S. Ryan et al  aLondonbHer majesty's stationary officec1970  a20p  aCivil liberties - Developing