1. Fracture toughness measurements of concrete;Welch,1969
2. Model based on fracture mechanics for the calculation of crack propagation in concrete;Petersson,1976
3. Die Berechnung von Durchbiegung von Stahlbetongbauteilen;Mayer,1967
4. Microcracking and stress-strain curves for concrete in tension;Evans;Materials and Structures (RILEM),1968
5. A modified approach for estimating the cracking moment of reinforced concrete beams;Salah El-Din;ACI Journal No 7,1975