Legislative principles of soil conservation /
Christy, Lawrence C.
Legislative principles of soil conservation / by Lawrence C. Christy - Rome : Food and Agriculture Organization of the United Nations, 1971. - 68p. ; 36 cm. - FAO Soils bulletin ; 15 .
9251002576
Soil conservation--Developing countries.
305.42 / LEG 1985
Legislative principles of soil conservation / by Lawrence C. Christy - Rome : Food and Agriculture Organization of the United Nations, 1971. - 68p. ; 36 cm. - FAO Soils bulletin ; 15 .
9251002576
Soil conservation--Developing countries.
305.42 / LEG 1985