%0 Conference Proceedings
%T Appropriate distribution for standardaized precipitation index SPI in arid and semi-arid environments
%A مسعود ایران نژاد
%A  ساغر احمدیان
%A  Minaei, Masoud
%J ICWRAE 2019 - 21st International Conference on Water Resources and Arid Environments
%D 2019