00928nam a2200277Ia 4500999001900000001000700019005001700026008004100043010001500084020001500099040000800114041000800122049001300130050002400143082000800167100002800175245006400203260004100267300003000308500002000338504003000358650002800388650002500416942001800441952019100459  c244468d24446832733820170606143636.0140718s1979    vaua     b    001 0 eng    a 78031767   a0835966879  aBEA  aspa  abeaglcm00aTH2431b.W33 / 197900a6951 aWatson, John A.928973510aRoofing systemsbmaterials and applicationcJohn A. Watson.  aReston, Va.bReston Pub. Co.cc1979.  axii, 354 p.bill.c24 cm.  aIncludes index.  aBibliography: p. 346-347. 0aRoofing.92711132Local 0aRoofs92711172Local  c6hTH2431.W33  00102lcc406TH2431 W33  01979708beal9176452a4b4c33d2016-05-27edonaciong0.00i525515l2oTH2431 .W33 1979p91000000039297r2017-09-11 00:00:00s2017-08-31t0v0.00xr:327338y6