TY - BOOK ID - 139086832 TI - Guidelines for the preparation of national master water plans PY - 1989 SN - 9211195497 PB - New York (N.Y.): United Nations DB - UniCat KW - Water resources development - UR - https://www.unicat.be/uniCat?func=search&query=sysid:139086832 AB - ER -