00289nam a2200121 a 4500008004100000020001500041050001500056100001700071245003300088250001200121260002500133350000900158120416s1991    ||||||||||||||||| ||    u  a0340505478  aTA 545 Cla  aClancy, John10aSite surveying and levelling  a2nd ed.  aLondonbArnoldc1991  a0.00