# NOT RUN {
data(leroy)
citations(leroy) #get the citation from a Move object
citations(leroy) <- "No paper available" #change the citation and set it for a Move object
data(fishers)
citations(fishers) #get the citation from a MoveStack object
citations(fishers) <- "Nothing to cite" #change the citation and set it for a MoveStack object
# }
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