00446nam a2200133Ia 4500008004100000082001700041100003600058245006600094260002000160300000800180942000700188952010000195999001700295140113s9999    xx            000 0 und d  a633.001   L2  a"John, Wishart & Senders, H.G."  aPrinciples  and practice of field experimentation 2nd edition  a1972bCABcU.K.  a133  cBK  00104070aVTLbVTLd2014-01-13l0o633.001   L2pVBK2116r2014-01-13 00:00:00w2014-01-13yBK  c58795d58795