Add bibtex citation

README.md

@@ -4,7 +4,21 @@ Convolutional neural network used to deconvolute beamforming maps, as presented
 
 > W Gonçalves Pinto, M Bauerheim, and H Parisot-Dupuis. "Deconvoluting acoustic beamforming maps with a deep neural network". *50th International Congress and Exposition on Noise Control Engineering*, August 2021.
 
-If you find this code useful in your research, please consider citing (bibtex reference to be added). 
+If you find this code useful in your research, please consider citing:
+
+```
+@article{Goncalves2021,
+    title = "Deconvoluting acoustic beamforming maps with a deep neural network",
+    journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
+    year = "2021",
+    volume = "263",
+    number = "1",
+    pages = "5397-5408",
+    issn = "0736-2935",
+    url = "https://www.ingentaconnect.com/content/ince/incecp/2021/00000263/00000001/art00057",
+    doi = "doi:10.3397/IN-2021-3084",
+}
+```
 
 This work is a part of the POLA3 project.