TY  - BOOK
AU  - Blackadder,William
TI  - "A direct method for the construction of influence lines for continuous girders"
AV  - TG355 .B6
PY  - 1931///
CY  - London
PB  - The Institution
KW  - Girders
N1  - TA1.I68 no. 119 bound with no. 104-135 subsequent to publication; "References": p. 25
ER  -