We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHow many footsteps do dogs need to determine the direction of an odour trail?AuthorsHepper PG; Wells DLPublicationChemical senses, 2005, Vol 30, Issue 4, p291ISSN0379-864xPublication typearticleDOI10.1093/chemse/bji023