00756 a2200193 4500 9290432144 631.523 INT 21888 34317 International beta genetic resources network a report on the 2nd international beta genetic resources workshop held at the institute for crop science and plant breeding,braunschweig, Germany ,24-28 june 1991 Rome IBPGR 1992 1992 lxxix,74p. 30cm International crop network series 7 PRODUCTION OF PROPAGATIONAL ORGANISMS AND NEW VARIETIES CULTIVATION AND HARVESTING AGRICULTURAL AND SPECIFIC TECHNIQUES SPECIAL TECHNIQUES DEVELOPMENT OF NEW VARIETIES L 49316 49316 0 0 0 0 LEN MKDL MKDL LEN 2009-08-11 0 631.523INT 52803 2009-08-11 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MKDL MKDL LEN 2009-08-11 0 631.523INT 53054 2009-08-11 00:00:00 0.00 2016-10-31 L