Megan S C Lim, Margaret E Hellard, Campbell K Aitken
Lim M S C, Hellard M E, Aitken C K.
The case of the disappearing teaspoons: longitudinal cohort study of the displacement of teaspoons in an Australian research institute
BMJ 2005; 331 :1498
doi:10.1136/bmj.331.7531.1498