BOOK
Author
Title: Flute Extended Techniques: a Guide for Composers
This book has information about all the modern playing techniques which are accompanied with notation. Publication House: Scholars' Press
Look the book inside: BookAdv.pdf
or here: https://www.youtube.com/watch?v=-eQtbWdSphA
Find it here: https://www.morebooks.de/shop-ui/shop/product/9786205521359
Translated in all languanges. Available worldwide.