is it possible to take two or more physical camera feed in to unity to make a real time stereo app?

I want to create a real time stereo camera app in unity for my project. and I an try to get two physical camera feed to get in to my app on same time as side by side. but I'm not able to find a way for that .i just want to know is it possible to do so? if possible what should i want to do get the result that i want.