bibliometrix v0.2 (Release date: 2016-05-19)
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Changes:
* Additional vignettes and documentation

New functionality::
* citations() to generate the frequency table of the most cited references or the most cited first authors (of references).
* lotka() now performs Kolmogorov-Smirnoff two sample test among observed and theoretical Lotka's distributions.

Bug Fixes:
* Minor fixes in importing routines and summary function.
      
