TY  - BOOK
AU  - Duggal, S.K
TI  - Building materials
SN  - 9788122423921
U1  - 691 DUG 23rd ed.
PY  - 2008///
CY  - New Delhi
PB  - New Age International
KW  - Building materials
KW  - Air--Pollution--Environmental aspects
KW  - Building materials--Technological innovations
UR  - www.newagepublishers.com
ER  -