L. Martelloni, M. Fontanelli, C. Frasconi, M. Raffaelli, M. Pirchio, and A. Peruzzi, “A combined flamer-cultivator for weed control during the harvesting season of asparagus green spears”, Span. j. agric. res., vol. 15, no. 2, p. e0203, Jul. 2017.