TY  - BOOK
AU  - Cowan, Henry J.
AU  - Smith, Peter R
TI  - Environmental Systems 
SN  - 0442214898
U1  - 696 
PY  - 1983///
CY  - New York : 
PB  - Van Nostrand Reinhold, 
KW  - Building Environmental
N1  - NN
ER  -