TY  - BOOK
AU  - Kay, Gersil Newmark.
TI  - Mechanical & Electrical Systems for Historic Buildings: Profitable Tips for Professionals, Practical Information for Preservationists 
SN  - 0070336695
U1  - 621 
PY  - 1992///
CY  - New York
PB  - McGraw-Hill
ER  -