Adsuar, J. et al. 1954. THE EFFECTS OF THE MOTTLE AND THE COMMON TOBACCO MOSAIC VIRUSES ON THE YIELD OF VARIETY VIRGINIA 12. The Journal of Agriculture of the University of Puerto Rico. 38, 2 (Apr. 1954), 105–107. DOI:https://doi.org/10.46429/jaupr.v38i2.12711.