TY - BOOK ED - OECD Centre for Co-operation with the Economies in Transition TI - Bulgaria T2 - Environmental performance reviews SN - 9264147977 PY - 1996/// CY - Paris PB - OECD KW - Environmental protection KW - Bulgaria KW - Environmental policy KW - International cooperation N1 - At head of title: Centre for Co-operation with the Economies in Transition UR - http:///www.oecd.org ER -