TY  - GEN
ED  - London.The Institution of Civil Engigneers
ED  - Conference on Civil Engineering problems of the South Wales valleys
ED  - London.The Institution of Civil Engigneers
TI  - Civil engineering problems of the South Wales valley: proceedings..
U1  - 711.406429 
PY  - 1970///
CY  - London
PB  - The Institution Of Civil Engineers
KW  - Cilvil Engineering -- Congresses
KW  - South Wales Valleys
ER  -