00520nam a2200193 a 45000010008000000080041000080190012000490350016000610350012000770400013000892450024001022600040001263000035001665000017002016100020002186500047002387100020002859840021003053011392970729s1969 xnaa 00000 eng d1 a5249976 9abn97238976 91019746 aWLBcWLB04aThe Readymix Group. a[Sydney? :bReadymix Group,c1969?] a[26] p. :bcol. ill. ;c30 cm. aCover title.20aReadymix Group. 0aConcrete construction industryzAustralia.2 aReadymix Group. a2001cUApamf 319