Garthwaite C H, . (1969). Metric Handbook for Reinforced Concrete. London: NEWNES - BUTTERWORTHS.
Garthwaite C H, . 1969. Metric Handbook for Reinforced Concrete. London: NEWNES - BUTTERWORTHS.
Garthwaite C H, . Metric Handbook for Reinforced Concrete. London: NEWNES - BUTTERWORTHS. 1969.