1.
Microbial formation of hydroxylated aromatic compounds from 4-chloro- and 4-nitrobenzoate : DIZ / Peter Groenewegen. Wageningen : Landbouwuniversiteit, 1993. 89 s. ISBN 90-5485-067-1.[1, of that borrowed 0]
Slovak Agricultural Library in Nitra
www.slpk.uniag.sk