TY - RPRT TI - Spatial and temporal study of nitrate concentration in groundwater by means of coregionalization AU - V. D’Agostino AU - E.A. Greene AU - G. Passarella AU - M. Vurro PY - 1998 DO - 10.1007/s002540050344 UR - https://pubs.usgs.gov/publication/70020296 ID - 70020296 ER -