TY - BOOK ID - 136472854 TI - Geographic information systems in fisheries management and planning : technical manual. AU - de Graaf, Gertjan AU - Marttin, Felix AU - Aguilar-Manjarrez, JoseĢ. AU - Jenness, Jeff PY - 2003 SN - 9251049998 PB - Rome FAO DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136472854 AB - ER -