TY  - RPRT
TI  - Engineering manual for protective construction Part V heating and air conditioning of underground installations 
AU  - Dill, R S
AU  - Peavy, B A
PY  - 1956
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 4545
DO  - 10.6028/NBS.RPT.4545
ER  -