000
00237nam a22000977a 4500
008
131205b xxu||||| |||| 00| 0 eng d
100
_a
Piaggio .
_9
3790
245
_a
Differential equations /
_c
Piaggio .
300
_a
.
942
_2
ddc
_c
BK
999
_c
38631
_d
38631