أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
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Some new aspects of macerating and composting of organic matter

1992

Matthias, J. (Georg-August-Universitaet, Goettingen (Germany). Inst. fuer Agrartechnik)

Food and Agriculture Organization of the United Nations - Italy


Technology of environmental pollution control

1992

Shaheen, Esber I.

National Agricultural Library - United States of America

Surface impoundments

1992

Hartley, Robert P.

National Agricultural Library - United States of America