1. Extending record typing to type parametric modules with sharing;Virginia Aponte,1993
2. AT & T Bell Laboratories.Standard ML of New Jersey, User's Guide 0.93 edition. February 1993. 2.3.4.
3. Higher-order functors with transparent signatures;Biswas,1995
4. A kernel language for abstract data types and modules;Burstall,1984
5. Pebble, a kernel language for modules and abstract data types;Burstall;Information and Computation,1988