00311nam a2200109Ia 450000500170000000800410001708200160005810000200007424500520009426000470014630000080019320260225051017.0260224s9999||||xx |||||||||||||| ||und||  a636.089 JEN  aJ. B. Jennings  0aFeeding, digestion and assimilation in animals   aLondon: MacMillan St. Martin's Pressc1972  a244