1. An algorithm for the machine calculation of Fourier series;Cooley;Mathematics of Computation,1965
2. Predicting in situ modulus of deformation using rock quality indices;Coon,1969
3. The application of seismic methods in the prediction of grout take in rock;Knill,1970
4. Seismic evaluation of rock masses;Knill,1972
5. The application of spectral analysis to rock quality evaluation for mapping purposes;Young;Bulletin of the International Association of Engineering Geology,1979