TY - BOOK AU - Thames, J.L., ed. ED - Food and Agriculture Organization of the United Nations. TI - Hydrological techniques for upstream conservation T2 - FAO conservation guide; 2 SN - 92-5-100115-4 U1 - 627.5 21st ed. PY - 1976/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Hydrology KW - Stream conservation ER -