Recherches sur les moteurs animés: Travail de l
Ringelmann (1913), Recherches sur les moteurs animés: Travail de l. Cited in 1 article on this site.
What our sources record
Reproduced as it was written when this source was checked, figures and all.
homme.' Annales de l'Institut National Agronomique, 2nd series, 12, 1-40. Cited as described by Kravitz and Martin (1986).