http://opac.berlin.bard.edu//cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%7BMechanics%7D%29%20AND%20%28su%3A%7BCelestial%20mechanics%7D%29%20AND%20%28su%3A%7BEarly%20works%20to%201800%7D%29&format=rss2
2050Newton's Principia : ISBN 9781888009231
http://opac.berlin.bard.edu//cgi-bin/koha/opac-detail.pl?biblionumber=6465
By Newton, Isaac Sir, .
Santa Fe, N.M. : Green Lion Press, 2003
. lxii, 525 p. :
26 cm. .
9781888009231
]]>http://opac.berlin.bard.edu//cgi-bin/koha/opac-detail.pl?biblionumber=6465Newton's Principia : ISBN 9781888009231
http://opac.berlin.bard.edu//cgi-bin/koha/opac-detail.pl?biblionumber=8039
By Newton, Isaac Sir, .
Santa Fe, N.M. : Green Lion Press, 2003
. lxii, 525 p. :
26 cm. .
9781888009231
]]>http://opac.berlin.bard.edu//cgi-bin/koha/opac-detail.pl?biblionumber=8039