CAMAYO-LAPA, B.; MASSIPE-HERNAƁNDEZ, J.; TORRES-TEN, A.; QUISPE-FLORES, M.; POMACHAGUA-PAUCAR, J. Validation and application of Bristow Campbell model for estimating the global solar radiation in the Junin region. Chemical Technology, v. 37, n. 3, p. 621-637, 18 set. 2017.