000 004000000a22001690004500
060 _a100
082 _a633.1043 HAR
100 _aHarrington, J.B.
245 _aCereal breeding procedures
260 _aRome, FAO of the united nation
260 _c1952
300 _a122
490 _a28
_cFAO development paper
490 _aFAO development paper
650 _aHybriclization
942 _cBK
999 _c347931
_d347931