SINGH, R. A.
Soil physical analysis / R. A. Singh - 2nd ed - New Delhi : Kalyani, 1989 - xiii, 167 p. : ill. ; 22 cm.
SOILS
631.4 / SIS
Soil physical analysis / R. A. Singh - 2nd ed - New Delhi : Kalyani, 1989 - xiii, 167 p. : ill. ; 22 cm.
SOILS
631.4 / SIS