@incollection{2008:willnegger:the_exempt,
title = {The exemption in the German Patent Act of 1877},
year = {2008},
note = {},
booktitle = {Patents in the Food Sector},
pages = {20--26},
edition = {1},
author = {Willnegger, Eva},
publisher = {Nomos},
address = {Baden-Baden},
series = {Munich Intellectual Property Law Center - MIPLC Studies},
volume = {1}
}