APA (7th ed.) Citation

Laurini, R., & Milleret-Raffort, F. (1992). A conceptual framework for multiple representations of spatial objects with the entity-relationship approach. [s.n.].

Chicago Style (17th ed.) Citation

Laurini, Robert, and Françoise Milleret-Raffort. A Conceptual Framework for Multiple Representations of Spatial Objects with the Entity-relationship Approach. [S.l.]: [s.n.], 1992.

MLA (9th ed.) Citation

Laurini, Robert, and Françoise Milleret-Raffort. A Conceptual Framework for Multiple Representations of Spatial Objects with the Entity-relationship Approach. [s.n.], 1992.