00519nam a2200181Ia 4500003000400000008004100004082001600045100001800061245009800079250001200177260005500189300001000244650001800254650001800272650001500290650001600305700001600321OSt170901s1950    xx            000 0 und d  a574.1bH18C  aHalnan, E. T. 0aCourse of Practical Physiology : for agricultural students / cby E. T. Halnan and J. Hammond  a2nd ed.  a.- Cambridgeb: Cambridge University Pressc, 1950  a124p.  aPure Sciences  aLife Sciences  aPhysiology  aAgriculture  aHammond, J.