Plate 
° Similarity form of Hidy and Plate (1965) 
x Similarity form of Mitsuyasu (1969) 
“Best fit “'- spectrum of Liu (1971): 
= 1.02 (w/wWm)”* 
OE Nt 4.08 (<-) P 
Figure 3 Similarity spectra from different sources. 
#590 
