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<referencetext xmlns="http://eprints.org/ep2/data/2.0">http://www.earlham.edu/~peters/writing/acrl.htm. 

http://www.alpsp.org.uk/s130902.htm

http://www.inist.fr/openaccess/en/comsci_impliprojets.php

http://www.neci.nec.com/~lawrence/papers/online-nature01/

http://isacco.ingentaselect.com/vl=23512232/cl=62/nw=1/rpsv/cgi-bin/linker?ini=alpsp&amp;reqidx=/catchword/alpsp/09531513/v15n4/s6/p279

http://isacco.ingentaselect.com/vl=23512232/cl=62/nw=1/rpsv/cgi-bin/linker?ini=alpsp&amp;eqidx=/catchword/alpsp/09531513/v15n4/s13/p315

http://www.soros.org/openaccess/oajguides/index.shtml</referencetext>
