Pierre Perruchet and Jorge Gallego (January 2006). "Do dogs know related rates rather than optimization?". College Mathematics Journal. 37 (1). Mathematical Association of America: 16–18. doi:10.2307/27646266. JSTOR27646266.
Pierre Perruchet and Jorge Gallego (January 2006). "Do dogs know related rates rather than optimization?". College Mathematics Journal. 37 (1). Mathematical Association of America: 16–18. doi:10.2307/27646266. JSTOR27646266.