TY  - BOOK
AU  - Langley,Billy C.
TI  - Estimating air conditioning systems
SN  - 0835917908
PY  - 1983///
CY  - Reston, Va.
PB  - Reston Pub. Co.
KW  - Air conditioning
KW  - Estimates
N1  - Includes bibliographical reference and index
ER  -