## Not run:
# crosscite("10.5284/1011335")
# crosscite(c('10.5169/SEALS-52668','10.2314/GBV:493109919',
# '10.2314/GBV:493105263', '10.2314/GBV:487077911',
# '10.2314/GBV:607866403'))
# ## End(Not run)
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