No.	Title	Date
61	Z Rapport betreffende het economisch gebruik van weekdieren van de Nederlandse Antillen
62	Z Tellingen van de Palomba Pretu - Columba squamosa
63	z Verslag over de bestudering vam de polychaeten van de Piscadera Baai, Curacao
64	z Verslag van onderzoeking aan Sorites orbiculus (Foraminifeer) op Curaçao (Ned. Antillen)
65	Z "I. Cryptic communities of sublittoral hard substrate in relation to abiotic parameters at some inner bays of Curacao II. The effect of suspended sediment on two species of serpulid tube-worms"
66	z A comparison between quantitative taxonomic and physiognomic survey methods of hard substrate communities of the Santa Marte area, NE Colombia
67	Z An Evaluation of the Spatial Distribution of Tourism Developments on Curcacao, as seen in the light of the Islandwide Development Plan
68	Z An insect problem in White Cedar and other trees - Saba (and St.Maarten)
69	Z An inventory of the natural values of an area at Eagle Beach
70	Z Are visual cues important in habitat detection by Haemulon flavolineatum
71	z Aspecten van begrazing door heterotrofe nanoflagellaten op bacteriën in het pelagiaal boven koraalrif in relatie tot antropogene vervuiling
72	Z Aspekten van kompetitie tussen steenkoralen (scleractinia) en andere bentische rif-organismen
73	Z Avifaunal and Botanical Survey of the Jan Thiel Lagoon Conservation Area, Curacao
74	Z Beheers- en inrichtingsplan Conserveringsgebied Jan Thiel
75	z Bescherming van zeevogels op het Lago-rif, Aruba, in 1988
76	Z Bevordering moderne schapen- en geitenteelt op Curacao, N.A.
77	Z Brief Biological Inventory of Bolivia, Bonaire, Netherlands Antilles
78	Z Brief Biological Inventory of Portomari Estate, Curacao
79	Z Brief biological inventory of the north-west sector of Santa Barbara Estate and the bordering marine areas
80	Z Brief Ecological Report San Nicolas Curacao, Netherlands Antilles