TY  - BOOK
AU  - Wass, Alonzo
TI  - Databook for Residential Contractors and Estimators 
SN  - 0879091770
U1  - 692.50285 
PY  - 1979///
CY  - Reston,Virginia : 
PB  - Reston Publishing, 
KW  - Building Contracts and Specification Data Book
KW  - Building Estimates Data Book
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-87909-177-0.pdf
ER  -