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2. Comparative till fabrics and till fabric variability in a till sheet and drumlin: a small scale study;Andrews;Proc. Yorks. Geol. Soc.,1968
3. Three-dimensional vector technique for analyzing till fabrics: discussion and FORTRAN program;Andrews;Geogr. Bull.,1966
4. Statistical analysis of till fabric: methodology local and regional variability (with particular reference to the north Yorkshire till cliffs);Andrews;Q. J. Geol. Soc. Lond.,1970
5. Quaternary geology of Ontario;Barnett,1992