000
00241nam a22000857a 4500
008
210408b ||||| |||| 00| 0 eng d
050
_a
H61 .M44 1968
245
_a
Explanation in social science
_b
a system paradigm
_c
MEEHAN, EUGENE J.
942
_2
lcc
999
_c
4469
_d
4469