Factors From Differential Elements to Finite Areas
B-68: Differential planar element on ceiling, floor or any wall to cow. (x, y in meters)
Reference: Perry and Speck, 1962
Definitions: R=r/1m; X=x/1m; Y=y/1m; R2=3.35+2.25cosb+0.74cosa+0.09cosf
NOTE: This is an approximate relation derived by fitting the equation for an equivalent sphere of radius R meters to measured values for a cow.
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