00530nam a2200169Ia 4500008004100000082002300041100002000064245004000084250001200124260002700136300001200163600001900175650003900194942000700233952010300240999001700343140224s9999    xx            000 0 und d  a631.544.4.008.2 M1  aNelson, Paul V.  aGreenhouse operation and management  a2nd ed.  aRestonbRestoncc 1981  ax,563p.  aV. Paul Nelson  aGreenhouse management,Floriculture  cBK  00104070aKSDbKSDd2014-02-24l0o631.544.4.008.2 M1p2775r2014-02-24 00:00:00w2014-02-24yBK  c93344d93344