1. Mineral classification of soils :proceedings of a symposium sponsored by Divisions S-5 and S-9 of the Soil Science Society of America in Atlanta, GA, 30 Nov. 1981 and Anaheim, CA, 29 Nov. 1982

کتابخانه: كتابخانه مركزي كشاورزى (طهران)

موضوع : $ASoil mineralogy$BClassification -- Congresses,$ASoils$BClassification -- Congresses

رده :
S
592
.
55
.
M55
1985

2. Soil micromorphology and soil classification :proceedings of a symposium sponsored by Division S-5 and S-9 of the Soil Science Society of America, in Anaheim, CA, 28 Nov.-3 Dec. 1982

کتابخانه: كتابخانه مركزي كشاورزى (طهران)

موضوع : $ASoil micromorphology$BCongresses,$ASoils$BClassification -- Congresses

رده :
S
593
.
2
.
S66
1985

3. Soil taxonomy :achievements and challenges : proceedings of a symposium sponsored by Division S-5 of the Soil Science Society of America in Anaheim, Calif., 28 Nov.-3 Dec. 1982

کتابخانه: كتابخانه مركزي كشاورزى (طهران)

موضوع : $ASoils$BClassification -- Congresses

رده :
S
592
.
16
.
S66
1984