*0011583111 *008910709s1991 xx# 000 0 nob *019 $bk *08230$a599.74 *100 $aGjertz, Ian$_145640100 *245 $aHvalrossen$bdyster fortid - lysere fremtid$cIan Gjertz *300 $aS. 51-55 : ill. *773 $tNaturen$gÅrg. 115, nr 2 (1991)$x0028-0887$w(NO-LaBS)533618(tnr) *999 $z9100130960$anorart:9100130960 ^