000 00315nam a2200133Ia 4500
008 140317s9999 xx 000 0 und d
082 _a591.1
100 _aPeaker,M.
245 _aCamparative aspects of lactation.
260 _aLondon
_bA.P.
_c1977
300 _a374
650 _aZoological Sci.
942 _2ddc
_cBK
999 _c8218
_d8218