00612nam a2200169Ia 4500008004100000082002200041100001800063245003800081260006600119300000900185490005900194600001700253650004700270942000700317952010100324999001700425140224s9999    xx            000 0 und d  a631.52+575:634 H5  aRichens, R.H.  aForest tree breeding and genetics  aEnglandbImperial Bureau of Plant Breeding and Geneticsc1945  a79p.  aImperial Agricultural Bureaux, Joint Publication; no.8  aR.H. Richens  aArboriculture,Tree breeding,Plant genetics  cBK  00104070aKSDbKSDd2014-02-24l0o631.52+575:634 H5p348r2014-02-24 00:00:00w2014-02-24yBK  c93152d93152