Schlatter F, Piquerez A, Habermacher M, Ragettli MS, Roosli M, Brink M, Cajochen C, Probst-Hensch N, Foraster M, Wunderli J-M. Validation of large scale noise exposure modelling by long-term measurements. Noise Mapp. 2017 Dec 22;4:75-86. doi: 10.1515/noise-2017-0006
Bayer AM, Danysh HE, Garvich M, Gonzalvez G, Checkley W, Alvarez M, Gilman RH. An unforgettable event: a qualitative study of the 1997-98 El Niño in northern Peru. Disasters. 2014 Apr;38(2):351-74. doi: 10.1111/disa.12046
Phanikumar CV, Maitra B. Valuing urban bus attributes: an experience in Kolkata. J Public Transport. 2006;9(2):69-87. doi: 10.5038/2375-0901.9.2.4
Phani Kumar CV, Basu D, Maitra B. Modeling generalized cost of travel for rural bus users: a case study. J Public Transport. 2004;7(2):59-72. doi: 10.5038/2375-0901.7.2.4