00351nas662200121   4500 2000106000001010018001064610003001248010033001277000017001607010020001776060024001976870008002211 aAu Kenya, la vie secrète des hippopotamesftexte et photogr. de Mark Deeble et Victoria Stone bPER  afrecfregfre    aFRbBBf160523c20011114dBB 1aDeeblebMark 1aStonebVictoria  aHippopotamesyKenya  aADO