MMathematics and KnotsMathematics and Knotsde Tim PorterMateriasKnot theoryEdiciones (1)Mathematics and knots (1989)Mathematics & Knots, University of Wales · inglésMás obras de Tim PorterPParadise =Paradise =BBig Book of Jigsaw SudokuBig Book of Jigsaw SudokuBBig Book of SudokuBig Book of Sudoku