Liên quan 9491 Thooft 949 941 949 TCN 991 9413 Eichendorff 949 Hel 9495 Eminescu 9494 Donici 991 McDonalda
Tài liệu tham khảo WikiPedia: 9491 Thooft http://www.phys.uu.nl/~thooft/constitution.html http://www.xs4all.nl/~carlkop/thooft.html