000
00251nam a2200121 a 4500
003
EIA
001
5985
942
_0
2
_2
ddc
_c
BK
245
_a
Vector analysis
260
_c
c1950
008
141112s1950 ck r 000 u spa d
082
_a
515.63
_b
P558
999
_c
13691
_d
13691