HYDSTRA/TS water resources time series management software

Hi.

I am looking for information on how to purchase or obtain HYDSTRA/TS time series software for water resources management or related software. If you have informationrelatedto this kindly share with me I will really appreciate. I need to know where to purchase it from and how much it costs.

My e-mail is: ssiwilatabbie@yahoo.co.uk or ssiwilatabbie@gmail.com

Thanking you in advance