1. Progressive failure with special reference to the mechanism causing it;Bishop,1967
2. The influence of progressive failure on the method of stability analysis;Bishop;Geotechnique,1971
3. Slope Analysis;Chowdhury,1978
4. Recent developments in landslide studies—probabilistic methods, state-of-the-art report;Chowdhury,1984
5. Analysis methods for assessing landslide risk—recent developments;Chowdhury,1988