Urumibae, mikankomibae no konzetsu ni kansuru kenkyū to gijutsu kaihatsu
Series: Shitei shiken (byō-gaichū) -- dai 25-gō
Publisher: Nōrin Suisan Gijutsu Kaigi Jimukyoku; Okinawa-ken Nōgyō Shikenjō
Published: 1995
Place of publication: [Tokyo]; [Naha-shi]
Language: jpn
Number of pages: 98
Notes: In Japanese, summary also in English.