@misc{costs+and+cost+effectiveness+of+waste+recycling, author = {Alwaeli, Mohamed}, title = {Costs and cost-effectiveness of waste recycling}, journal = {Czasopismo Techniczne. Chemia}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2008}, number = {R. 105, Z. 16, 2-Ch} }