TY  - BOOK
AU  - Gupta, Y. P.
TI  - National Seminar on User & Environment Friendly Construction Technology & Methods, Nainital, May 14-15, 1999: proceedings 
SN  - 8122412181
AV  - 3736 
U1  - 699.54 22
PY  - 1999///
CY  - New Delhi
PB  - New Age
ER  -