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Incorporated, a worldwide network of science museums and related institutions.
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MMI has use to have laser disks on a variety of subjects including
some of these, but it looks like they've discontinued all of them
except those that planetariums still use; you may want to give them
a call.
http://www.mmicorporation.com/

_______________________________________

Christine Shupla
Planetarium Director
Arizona Science Center
(602) 716-2078
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