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ECONTECHMOD : An International Quarterly Journal on Economics of Technology... > 2013 > Vol. 2, No 3 > 77–88
Oceanologia > 2006 > No. 48 (S) > 119-131
Polish Journal of Ecology > 2000 > Vol. 48, Suppl. > 163-177
ECONTECHMOD : An International Quarterly Journal on Economics of Technology... > 2013 > Vol. 2, No 3 > 77–88
Oceanologia > 2006 > No. 48 (S) > 119-131
Polish Journal of Ecology > 2000 > Vol. 48, Suppl. > 163-177