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[1
]
J.
Ro
d
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,
e
t
a
l.
,
“
M
u
lt
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lev
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rters
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su
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f
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s,
c
o
n
tr
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d
a
p
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a
ti
o
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s,”
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EE
T
ra
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s.
I
n
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.
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.
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[2
]
J.
S.
L
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a
n
d
F.
Z.
P
e
n
g
,
“
M
u
lt
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n
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p
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ra
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s.
In
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,
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.
[3
]
L
.
Hu
,
e
t
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l
.
,
“
A
sim
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le
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VP
W
M
A
lg
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rit
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m
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M
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[4
]
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t
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,
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lan
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B
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,
“
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f
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N
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lar s
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stry
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[7
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A
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[8
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D
.
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K
a
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[9
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.
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t
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.
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c
h
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Driv
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s,
M
u
lt
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v
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l
in
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M
a
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Co
n
v
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a
n
d
sp
e
c
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m
a
c
h
in
e
s.
Evaluation Warning : The document was created with Spire.PDF for Python.