TY  - BOOK
AU  - Duggal, S.K.
TI  - Building materials
SN  - 8120412214
U1  - 624.18 
PY  - 1997///
CY  - New Delhi
PB  - ; Oxford And Ibh Publisher
KW  - Civil Engineering
KW  - Construction Materials
KW  - Engineering
ER  -