@article{17454,
      note = {See sessions before XV under Title TECHNICAL WORKING  PARTIES : UPOV : 1973-1981; UPOV/TW/I-16, TW/17-36,  TW/37-46; Sessions XV : Cambridge, U.K. : Oct 5 - 7, 1982;  XVI : Conthey, Switzerland : Sept 27 - 29, 1983; XVII :  Hanover, Germany : Aug 7 - 9, 1984; XVIII : Aarsley,  Denmark : June 25 - 27, 1985; XIX : Wageningen, Netherlands  : July 16 - 18, 1986; XX : Kiryat Anavim, Israel : March 23  - 26, 1987; XXI : Gent, Belgium : June 20 - 24, 1988; XXII  : Hanover, Germany : May 29 - June 1, 1989; XXIII : Tokyo,  Japan : Sept 16 - 24, 1990; XXIV : Cambridge, United  Kingdom : June 24 - 28, 1991; XXV : Stellenbosch, South  Africa : Aug 27 - Sept 7, 1992;.},
      url = {http://tind.wipo.int/record/17454},
      title = {Technical Working Party for Ornamental Plants and Forest  Trees : UPOV /},
      recid = {17454},
      pages = {1 volume (various paging) ;},
}