Genetic variation in rate and extent of the in situ cell wall degradation of maize stalks at silage harvest time Yves Barrière, Maria-Rosario Tovar-Gómez, Jean-Claude Émile and Daniel SauvantAgronomie, 18 8-9 (1998) 581-589DOI: https://doi.org/10.1051/agro:19980808