TY - BOOK ID - 128221449 TI - A plea for the Wadden Sea. PY - 1966 PB - Amsterdam : Contact committee for nature and landscape preservation, DB - UniCat KW - Nature conservation KW - Congresses. KW - Waddenzee (Netherlands) KW - Congresses. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128221449 AB - ER -