000
00256pam a2200109a 44500
082
_a
378.242
_b
M382p
100
_a
245
1
_a
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
_c
PUBLICATIONS AND THESES
260
_a
_b
_c
1963
964
_g
CIRC
997
_a
34212 C
999
_c
423725
_d
423725