Schlechtenuntersuchungen in den Flözen des Aachener Steinkohlengebirges Jr Diabetes and pregnancy among Alaska and the use of Diabetes and pregnancy among Alaska Natives: Prevalence and sociocultural aspects Murphy and the many plotted variograms that would not fit any standard model variogram: these all contributed to the feeling that there should be something that statistics could say about the cases where hardly any assumptions could be made about the properties ofthe parent population FUNKE (1929) und SCHLEIER (1931 32) gehen von lokalen Beobachtungen aus und ordnen die Schlechten nach ihren H~uptrichtungen tektonischen Beanspruchungen zu Dabei trennt SCHLEIER erstmals in bankrechte und bankschräge Schlech­ ten