261
by Schneider, Klaus
Published 2004
Springer Berlin Heidelberg

267
by Bauer, F.L., DeRemer, F.L., Griffiths, M., Hill, U.
Published 1974
Springer Berlin Heidelberg

268
by Schael, Thomas
Published 1996
Springer Berlin Heidelberg

270
Published 1997
Springer Netherlands

271
Published 2002
Springer Netherlands