1. Discussion of paper by M. Tincelin and P. Sinou, Exemple d Application des mesures de press ions de terrain entreprises dans ies mines de fer de Lorraine;Berthier;Annales de l' Institut Technique du Batiment et des Travaux Publics,1958
2. The Upper Tumut works;Campbell;Jour. Inst. Engineers Australia,1956
3. Research into the rock burst problem on the Kolar goldfield;Isaacson;Mine and Quarry Engineering, December,1957
4. Elasticity, fracture, and flow;Jaeger,1956
5. Rock behavior and rock bolt support in large excavations;Lang;Paper presented at Symposium on Underground Power Stations, Am. Soc,1957