No.	Title	Date
1	Cladistic analysis of the Polycystididae (Platyhelminthes Kalyptorrhynchia), with application of phylogenetic nomenclature
2	Feeding ecology of coral reef sponges
3	Geology and Paleontology of Bonaire (D.W.I.)
4	Growth and Occurrence of the Reef Coral Porites Astreoides Lamarck in Relation to Submarine Radiance Distribution