@article{article92d20fe7,
title   = {Extracelular polygalacturonases from penicillium frequentants: separation and regulatory aspects},
author = {Siessere, V and Fonseca, M J V and Said, Suraia},
year = {1992},
doi = {10.1099/00221287-138-9-1801},
journal   = {Journal of General Microbiology}
}