Maciej Pabijan authorises the use of the pictures by him published in 2007 or 2008 (the year of publication is written just under each pictures) on the website calphotos.berkeley.edu under the licence Creative Commons Attribution ShareAlike 2.5.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.