[lemma="1998"] □ □
[lemma="1998"] [□] □
[lemma="1998"] □? □
However , Little et al. ( 1998 ) found that many of the P.s.s . Barton , Coley , and Wenglinsky ( 1998 ) found that student disorder interrupted not only school safety , but decreased student achievement as well . Phelan et al ( 1998 ) found that abnormal patterns of uterine activity , such as tetany and hyperstimulation , are often not associated with uterine rupture . In some extreme cases , Poisel ( 1998 ) found that presidents of community colleges do not exactly understand the programs at the beginning of the PBF program implementation . Thorbjarnarson and Da Silveira ( 1998 ) found a surprisingly robust population in the Mamiraua Reserve in the Amazon . For example , van Jaarsveld et al. ( 1998 ) found a lack of correspondence between minimum sets of areas ( sensu Margules et al. 1988 ; Pressey et al. 1993 ) for different biodiversity indicators , and claimed that this " largely undermines hopes for using ' indicator taxa ' ...