@misc{ecological+wall+systems+as+an+element+of+sustainable+development+cost+issues, author = {Wojciech Drozd i Leśniak, Agnieszka}, title = {Ecological Wall Systems as an Element of Sustainable Development - Cost Issues}, journal = {SUSTAINABILITY}, address = {Basel, Switzerland}, publisher = {MDPI AG}, date = {2018}, number = {10(7):2234}, ISSN = {2071-1050} }