Memórias do Instituto Oswaldo Cruz.

Latest issue consulted: Vol. 96, 6 (Aug. 2001).

On the ordering, enumeration and ranking of k-ary trees /

"UILU-ENG 77 1706."

Generating k-ary trees lexicographically /

"UILU-ENG 77 1758."

Catalogo do hervario e das especies cultivadas no horto "Oswaldo Cruz,"

Mode of access: Internet.