S.V Gupta
"""Practical Density Measurement and Hydrometry is a comprehensive presentation on density measurements and the relevant theoretical background. For the first time, you can find many important pieces of information in a single publication. Detailed instructions for measurements and preparations make this book useful for all who are performing density measurements. I believe that many kinds of readers can find from this book the information that they need in their work."" -Dr. Martti Heinonen, Centre for Metrology and Accreditation ""The present book covering density measurement and hydrometry is a valuable addition to the metrology literature … The book is well illustrated with a large number of line drawings and photographs. In summary, this is a very comprehensive and well-written book and will be useful for practicing metrologists at all level as well as those working in industry."" -Dr. G.M.S. de Silva, Measurement and Control, Vol. 36/1, February 2003 ""The book is clearly written and easy to understand. It contains a lot of evaluations of formulae that for practical measurements are represented in detailed tables. Methods and measurement procedures are described in detail, including also the calculation of uncertainty. Listings of the advantages and disadvantages of the different methods are very helpful. S.V. Gupta has written a book that will be a great help for scientists, students, and practitioners. The book fills a gap since there is no modern book that describes density measurements and hydrometry in such detail."" -Horst Bettin"