TY - BOOK ID - 128720393 TI - Systems approach to hydrology PY - 1971 PB - Fort Collins (Colo.) : Water Resources Publications, DB - UniCat KW - Hydrology KW - System analysis KW - Congresses. KW - Congresses. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128720393 AB - ER -