?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Contingency%2C+Conditional+Realism%2C+and+the+Evolution+of+the+Sciences&rft.creator=Giere%2C+Ronald&rft.subject=Earth+Sciences&rft.subject=History+of+Science+Case+Studies&rft.subject=Realism%2FAnti-realism&rft.subject=Theory+Change&rft.date=2010-08&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fmsword&rft.identifier=http%3A%2F%2Fphilsci-archive.pitt.edu%2F8365%2F1%2FGIERE%252DCCRES%252DAug2010.doc&rft.identifier=Giere%2C+Ronald+(2010)+Contingency%2C+Conditional+Realism%2C+and+the+Evolution+of+the+Sciences.+[Preprint]&rft.relation=http%3A%2F%2Fphilsci-archive.pitt.edu%2F8365%2