Deletion of Parasolid

Comment: Clearly notable in having several book sources http://books.google.co.uk/books?id=LITRsQJaf80C&pg=PA581&dq=parasolid&hl=en&ei=pCElTJLBDuaSOJqWoeoC&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCgQ6AEwAA#v=onepage&q=parasolid&f=false http://books.google.co.uk/books?id=_SyWNwAACAAJ&dq=parasolid&hl=en&ei=pCElTJLBDuaSOJqWoeoC&sa=X&oi=book_result&ct=result&resnum=3&ved=0CDIQ6AEwAghttp://books.google.co.uk/books?id=GdhkkH8KfZYC&pg=PA263&dq=parasolid&hl=en&ei=pCElTJLBDuaSOJqWoeoC&sa=X&oi=book_result&ct=result&resnum=2&ved=0CC0Q6AEwAQ#v=onepage&q=parasolid&f=falsehttp://books.google.co.uk/books?id=z3JRAAAAMAAJ&q=parasolid&dq=parasolid&hl=en&ei=pCElTJLBDuaSOJqWoeoC&sa=X&oi=book_result&ct=result&resnum=9&ved=0CE0Q6AEwCAhttp://books.google.co.uk/books?id=ivj_UgYRenEC&pg=PA393&dq=parasolid&hl=en&ei=pCElTJLBDuaSOJqWoeoC&sa=X&oi=book_result&ct=result&resnum=10&ved=0CFEQ6AEwCQ#v=onepage&q=parasolid&f=false. The article also has a reference to an external RS, namely http://www.caduser.com/reviews/reviews.asp?a_id=66. The article needs |editing and improving, not deletion, per deletion policy
Stance: keep
Cited policy: Wikipedia:Deletion policy (WP:ATD)