CONTENTS 



Page 



INTRODUCTION 1 



EXAMPLE 1, AN ASYMMETRICAL, BELL-SHAPED 



RIDGE: TWO SEGMENTS 2 



EXAMPLE 2, AN ASYMMETRICAL, BELL-SHAPED 



RIDGE: THREE SEGMENTS 5 



APPENDLX 9 



Example 1: Specific Mathematical Descriptor 9 



Supplementary Explanatory Detail for Example 1 . . . . 10 



Example 2: Specific Mathematical Descriptor 13 



Supplementary Explanatory Detail for Example 2 . . . . 14 



PUBLICATIONS CITED 16 



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