TY  - BOOK
AU  - Venkatappa Rao,   .
AU  - Suryanarayana Raju,G V S  .
TI  - Engineering with geosynthetics / 
U1  - 624.1898 
PY  - 1990///
CY  - Sydney : 
PB  - Tata Mc-Graw Hill Publishing Company , 
ER  -