Maitra B, Dandapat S, Chintakayala P. Differences between the perceptions of captive and choice riders toward bus service attributes and the need for segmentation of bus services in urban India. J Urban Plan Dev. 2015 Jun;141(2).
Lock EF, Ziemiecki RM, Marron J, Dittmer DP. Efficiency clustering for low-density microarrays and its application to QPCR. BMC Bioinformatics. 2010 Jul;11(386).
Chintakayala PK, Maitra B. Modeling generalized cost of travel and its application for improvement of taxies in Kolkata. J Urban Plan Dev. 2010 Mar;136(1).