By Pieper, Thorsten
By Bainbridge, William Sims
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By Van der Lei, Telli, Herder, Paulien, Wijnia, Ype
By Ortiz, Angel, Andrés Romano, Carlos, Poler, Raul, García-Sabater, José-Pedro
By Solozhentsev, E.D.
By Hester, Patrick T., Adams, Kevin MacG.
By Frankel, E.G.
By Stewart, M., Melchers, Robert E.
By Pandya, Jayshree
By Eerkens, Jeff
By Bischoff, Hans-Jürgen
By Lukszo, Zofia, Deconinck, Geert, Weijnen, Margot P. C.
By Masys, Anthony J., Lin, Leo S.F.
By Timashev, Sviatoslav, Bushinskaya, Anna
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By Altenburger, Reinhard
By Gheorghe, Adrian V., Vamanu, Dan V., Katina, Polinpapilinho F., Pulfer, Roland
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By Hønneland, Geir
By van Asselt, Marjolein B.A.
By Van Vliet, Bas, Spaargaren, Gert, Oosterveer, Peter
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By Liu, Bing-lian, Lee, Shao-ju, Xiao, Jian-hua, Wang, Ling, Jiao, Zhi-lun
By Liu, Shunzhong
By Huo, Jiazhen, Hong, Zhisheng