00000cam a22000004a 4500 UP-99796217611663723 Buklod 20150709142930.0 aa r ||| u ta 890222s1988 xx m rbs a000 0|eng d (iLib)UPD-00246509139 DLC DLC OCL eng HD 9585 P48 B76 Brown, Martin. World phosphates supply to the year 2000 by Martin Brown. Paris OECD 1988. 127 p. Development Centre studies. Phosphates Economic aspects Mathematical models. Phosphate industry Developing countries. Phosphatic fertilizer industry Developing countries. FO Monograph UPD DECON HD 9585 P48 B76 Book