KOPTA, T.; PAVLÍKOVÁ, M.; SĘKARA, A.; POKLUDA, R.; MARŠÁLEK, B. Effect of Bacterial-algal Biostimulant on the Yield and Internal Quality of Lettuce (Lactuca sativa L.) Produced for Spring and Summer Crop. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, v. 46, n. 2, p. 615-621, 8 Mar. 2018.