@inproceedings{inproceedings2d7ebca1,
title   = {Determination of the ideal condition for the production of pectic enzymes by penicillium frequentans in submerged cultures},
author = {Siessere, V and Ignacio, A L and Said, Suraia},
year = {1990},
booktitle   = {Congress of the Pan-American Association of Biochemical Societies}
}