An Object-Oriented Protocol for Managing Data. - Stephen P. Weiser (IEEE Database Eng. Bull., 1985)

OTM: Applying Objects to Tasks. - John Hogg; Steven Weiser (OOPSLA, 1987)

OTM: specifying office tasks. - Frederick H. Lochovsky; John S. Hogg; Alberto O. Mendelzon; Stephen P. Weiser (COCS, 1988)

OZ+: An Object-Oriented Database System. - Stephen P. Weiser; Frederick H. Lochovsky (Object-Oriented Concepts, Databases, and Applications, 1989)