But, today on the WiA blog, Joan Schmelz posted a summary of my favorite session about unconscious biases. I recommend checking it out, along with the references she mentions.
For some more interesting information about this topic, take a look at this site too. They have studies and quizzes you can participate in to find out what (if any) biases you have.
PS: the WiA website will have the posters and videos of all the talks up shortly. They are also putting together a conference proceedings with papers from hopefully all the presenters. I will keep you posted.