TY  - BOOK
AU  - Clayton, C R I  .
AU  - Milititsky ,J  .
TI  - Earth pressure and earth retaining structures / 
SN  - 0  903384  51  5
U1  - 624.171 
PY  - 1986///
CY  - London : 
PB  - University of London Press Ltd , 
ER  -