TY - BOOK ID - 145069797 TI - Nonlinearity in groundwater flow PY - 1980 PB - Delft : Technische Hogeschool, DB - UniCat KW - Mathematical models. KW - Aquifers KW - Ground water flow KW - Aquifers KW - Ground water flow UR - https://www.unicat.be/uniCat?func=search&query=sysid:145069797 AB - ER -