00245nam a2200109Ia 450000500170000008000200001710000180003724500240005526000250007930000130010458300180011720260716043820.0  a02.01.01 R336pa  aParris, W. H.  aThe Guyana position  b[s.n.]a[S.l.]c1991  a5 leaves  c6/25/07kJOYD