TY  - BOOK
AU  - Watson,John A.
TI  - Roofing systems: materials and application
SN  - 0835966879
AV  - TH2431 .W33 / 1979
U1  - 695 
PY  - 1979///
CY  - Reston, Va.
PB  - Reston Pub. Co.
KW  - Roofing
KW  - Local
KW  - Roofs
N1  - Includes index; Bibliography: p. 346-347
ER  -