Debnath PKumar, Chakrabarti B, Das TKumar, Canuto S.  2012.  Structural properties and energetics of diffuse 87Rb clusters in three-dimension. The Journal of Chemical Physics. 137(1):014301.

Das TKumar, Chakrabarti B, Canuto S.  2011.  Use of correlated potential harmonic basis functions for the description of the 4He trimer and small clusters. The Journal of Chemical Physics. 134(16):164106.