1.
Walker's Building Estimator's Reference Book
by Frank R. Walker Co.
ISBN: 9780911592269
List Price: $69.95
2.
Walker's Building Estimators ReferenceBook : Site Work CSI Division 2
by Ticola, Peter and Victor, T...
ISBN: 9780911592023
List Price: $39.95
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Walker' Building Estimators Reference Book : METALS CSI Division 7
by Ratner CEP, Jerold, Frank R...
ISBN: 9780911592054
List Price: $39.95