Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
FOSSEY D,Feeding ecology of free-ranging mountain gorillas (Gorilla gorilla beringei),"Primate ecology : studies of feeding and ranging behavior in lemurs, monkeys and apes",,Academic,1977,,,,https://cir.nii.ac.jp/crid/1571980075207915136,