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   71060
   We propose here to observe 4 southern supernova remnants (SNRs) to
   search for new plerions (Crab-like core) embedded within the SNR shell,
   as a part of the collaborative work of scientists from Japan and the
   United States. The current study will give us new samples of young
   neutron stars associated with the SNRs. The detected plerions will be
   further examined by radio and X-ray band to search for radio/X-ray
   pulsars.
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