Thực đơn
Piet Hein (nhà khoa học) Chú thíchThực đơn
Piet Hein (nhà khoa học) Chú thíchLiên quan
Pietermaritzburg Pietro Badoglio Pietro Mascagni Piet Mondrian Pietas Pietro Parolin Pieter Bruegel il Vecchio Pietro Locatelli Pieter Zeeman Piet Hein (nhà khoa học)Tài liệu tham khảo
WikiPedia: Piet Hein (nhà khoa học) http://www.pamono.com/designers/piet-hein http://www.piethein.com/ http://www.piethein.com/usr/piethein/HomepagUK.nsf... http://mathworld.wolfram.com/Superellipse.html http://www.fam-bundgaard.dk/SOMA/HISTORY.HTM http://www.fam-bundgaard.dk/SOMA/NEWS/N001203.HTM http://www.archimedes-lab.org/grooks.html https://books.google.com/books?id=lFYEAAAAMBAJ&lpg... https://web.archive.org/web/20050305223250/http://... https://web.archive.org/web/20100804202919/http://...