TY - BOOK AU - Polster, Burkard AU - TI - The shoelace book: a mathematical guide to the best (and worst) ways to lace your shoes T2 - Mathematical World SN - 0821839330 U1 - 510.9 PY - 2006/// CY - Providence PB - American Mathematical Society N1 - "Purchased under NBHM grant for the year 2006-2007" ER -