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Notification!  I found out that the email address (info@prasantakumar.com) does not always work properly, If you use this address and you do not get a repay please use the temporary address prasantselhorst@hotmail.com   Dear visitor, Thank you for visiting this new website, Before going further I would like to make the following remark. This site has just been launched and we are still busy to finish some things. We have tried to make a complete overview of our work with the correct text, ...

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