Presenting the idea on a black board Full size 800 × 600 pixels Jan 26, 2015 Presenting the idea on a black board / iad4phd by blogadmin is licensed under a Creative Commons Attribution CC BY 3.0 Share Jan 26, 2015 Presenting the idea on a black board / iad4phd by blogadmin is licensed under a Creative Commons Attribution CC BY 3.0 Share Previous image Next image Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Δ