Weber, Matthias. Towards Environmental Innovation Systems [electronic resource] / edited by Matthias Weber, Jens Hemmelskamp. - Berlin, Heidelberg : Springer Berlin - Heidelberg, 2005. - v.: digital ISBN: 9783540272984 Subjects--Topical Terms: EconomicsEnvironmental economicsEconomics/Management ScienceEnvironmental EconomicsR & D/Technology Policy LC Class. No.: GE170 / W43 2005