1301.9305
Schurter
1301.9302
1301.9303
1301.9307
1301.9304
1301.9318
1301.9320
1301.9314
1301.9315
1301.9317
1301.9316
1301.9318.24
1301.9315.24
1301.9501
1301.9503
1241.1607.23
1241.1620
1241.1608
1301.9301
1301.9308