TY - GEN AU - Gvirtzman, Haim AU - Margaritz AU - TI - Investigation of water movement in the unsaturated zone under an irrigated area using environmental tritium KW - DESLOCAMENTO DA HUMIDADE DO SOLO KW - INFILTRAÇAO DAS AGUAS DE IRRIGAÇAO KW - 551.579.5 KW - 556.142 KW - 631.67(569.4) KW - med KW - fre ER -