00458cam0a2200133i0045000010006000000050017000060350015000230410008000381000023000462450158000692600041002273000042002685040014003104870820260715201138.0  atr986469530 aeng1 aBahr, Nina Ingrid.10aEnvironmental and Hormonal Correlates of Maternal Behavior in Captive Gorillas /Gorilla gorilla gorilla/ :bInaugural - Dissertation /cNina Ingrid Bahr.  aZurich :bUniversitat Zurich,c1998.  a[8], 126 s. :btab. , wykr. ;c21 cm.  abibliogr.