a
*r
<z
°
a
4
3
°
2
-
&
\
z
s/o
Le
3
é~
-
Oo
Leen
Z
2
<
=
°
%
7
—
\
°
“7
-
\
—_
5k
=
Rat —\
Ne
TERN BONE
7
BACKGROUND
2
or
=
0
aq
100
i.
200
4.
300
4
400
A
8a0
2
600
ADDED ABSORBER , MG/CM2 al
i
700.
i
800
Fig. 4.10 —Mass-absorption curves from bones of rat and tern samples, postshot,