TY - BOOK ID - 132402879 TI - Yagi-antenna design PY - 1991 SN - 0872590410 PB - Newington, Conn. American Radio Relay League DB - UniCat KW - Telecommunication technology KW - mestverwerking KW - landbouw KW - oppervlaktewater KW - afval KW - meststoffen UR - https://www.unicat.be/uniCat?func=search&query=sysid:132402879 AB - ER -