000
00269pam a2200109a 44500
082
_a
625.7
_b
N214SR NO.23
100
_a
National Research Council
245
1
_a
SPECIAL REPORT
260
_a
Washington
_b
National Research Council
_c
964
_g
CIRC
997
_a
70684 C
999
_c
418177
_d
418177