Hüseyin Hacihabiboglu Theoretical Analysis of Open Spherical Microphone Arrays for Acoustic Intensity Measurements. 465-476 2014 22 IEEE ACM Trans. Audio Speech Lang. Process. 2 https://doi.org/10.1109/TASLP.2013.2294581 db/journals/taslp/taslp22.html#Hacihabiboglu14