Up To €10 (0) € 10 Tot € 20 (0) € 20 Tot € 50 (0) € 50 En Meer (1)

Crystal, David (1) Skillicorn, David B. (queen's University (2) Bottomley, Jane, Maude, Kulwinder, Pryjmachuk, Steven, Waugh, David (university Of Durham (1) Shiraev, Eric B. (george Mason University, Levy, David A. (pepperdine University (1) Eller, Jack David (community College Of Denver (1)

2011 (1)