000
00279nam a2200121 4500
008
160616s 000 0
245
_a
Theoretical analysis
100
_a
Heider, Lester J
100
_a
Simpson, James E
500
_a
B3 K71
942
_c
BK
_2
BK1262
080
_a
517 HEI
999
_c
1262
_d
1262