TY - BOOK AU - Ola,S.A. TI - Tropical soils of Nigeria in engineering practice SN - 9061912644 : U1 - 624.1/51/0913�19 PY - 1983/// CY - Rotterdam PB - A.A. Balkema KW - Soil mechanics KW - Nigeria KW - Soils KW - Tropics KW - Engineering geology ER -