001.6 
db v
          db Vista Database management sytem: for C language application software devolcoment reference manual for use with db- vista version 3.10 / by Raima Corporation. ---Bellevue, Wa, 1989. 
4 microfichas (136 cuadros)  : 11x 15 cm 
   1. SISTEMA DE MANEJO DE BASES DE DATOS.