Wierzbicka, Anna (1991). Ostensive definitions and verbal definitions: Innate conceptual primitives and the acquisition of concepts. In Maciej Grochowski, & Daniel Weiss (Eds.), Words are physicians for an ailing mind (pp. 467-480). Munich: Otto Sagner.

A more recent publication building on this one is chapter 7 (pp. 211-233) of:

Wierzbicka, Anna (1996). Semantics: Primes and universals. Oxford: Oxford University Press.