000
00264 a2200121 4500
082
_a
625.7
_b
N214
245
1
_a
PUBLICATION INDEX. 1921-49
260
_a
Washington
_b
_c
1950-
300
_a
650
_a
Engineering Index
964
_g
CIRC
997
_a
A24434 s C
999
_c
460077
_d
460077