Biscaro, G. A., Trigueiro, R. de M., Cruz, R. L. e Lopes, M. D. C. (2004) “GERMINATION AND DEVELOPMENT OF AMERICAN LETTUCE SEEDLINGS (Lactuca sativa L.) IRRIGATED WITH HOME AND INDUSTRIAL EFFLUENT-RECEIVING WATER”, IRRIGA, 9(3), p. 207–216. doi: 10.15809/irriga.2004v9n3p207-216.