following images: BSiconuBUEq.svg licensed with PD-ineligible 2012-05-12T10:09:54Z Tuvalkin 500x500 (803 Bytes) to match BSicon_BUEq.svg (see discussion)
license: This image is a derivative work of the following images: BSicon RD1q.svg licensed with Cc-zero 2010-05-14T14:15:44Z Tuvalkin 500x500 (552 Bytes)