TY  - BOOK
AU  - Nan, Ma 
TI  - Within 20 hours: teach you to understand building ventilation air-conditioning construction drawings 
T2  - (Teach you to Understand Construction Series)
SN  - 978-93-5014-681-1 (pbk.)
PY  - 2015///
CY  - Daryaganj, New Delhi: 
PB  - S. K. Kataria & Sons, 
KW  - Ventilation
KW  - Air conditioning
KW  - Buildings
KW  - Environmental Engineering
N1  - Includes appendix, bibliography and index
ER  -