@misc{misc09a606c8,
title   = {Extraction and quantitative evaluation of pectin in fresh fruits and raw and cooked vegetables},
author = {Silva, C R and Silva, H C and Pereira, E C and Dutra de Oliveira, José Eduardo},
year = {1992},
booktitle   = {Jornada Farmaceutica de Ribeirao Preto-Usp}
}