Acknowledgement
I am extremely thankful to the librarians and researchers of
the special libraries for their willing help and cooperation
without which the study could not have been completed.
My sincere gratitude to Prof. (Mrs.) S.P. Singh, University of
Delhi, for her valuable inputs. My special thanks are due to
Dr. Kaushalesh Lal, UNU, Maastricht, The Netherlands, for
his constant help and support.