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Chinese
Gracefulness of Unconnected Graphs(P
1
∨P
n
)∪G
r
,(P
1
∨P
n
)∪(P
3
∨
r
) and W
n
∪St(m)
CAI Hua, WEI Lixia, LV Xianrui
Journal of Jilin University Science Edition . 2007, (
04
): 539 -543 .