00302nam a2200109Ia 450000500170000000800410001708200140005810000190007224500460009126000470013730000080018420260225051051.0260224s9999||||xx |||||||||||||| ||und||  a631.4 FOT  aHenry D. Foth  0aFundamentals of soil science 6th edition   aIslamabad: National Book Foundation c1982  a436