000
00265 a2200121 4500
082
_a
614.06
_b
W89t
245
1
_a
TECHNICAL REPORT SERIES
260
_a
_b
_c
1969
300
_a
440
_a
Technical Report Series
_v
No. 421
964
_g
CIRC
997
_a
A20747 C
999
_c
460285
_d
460285