TY - BOOK AU - "United Nations, Government Of .... Economic Commission For Eurpoe" ED - "United Nations, Government Of .... Economic Commission For Eurpoe" TI - Problems of air and water pollution arising in the iron and steel industry U1 - "U:G:550gX9(F182), L0/UN" PY - 1970/// CY - New PB - York United Nation U S A KW - Geography - Environment ER -