TY - BOOK AU - Bell, F. G. TI - Environmental geology : principles and practice SN - 9788131211175 U1 - 624.151 BEL-F PY - 2007/// CY - India PB - Elsevier India KW - ᅠ KW - Rock mechanicsᅠ KW - Soil mechanics. ᅠ KW - Engineering geology. ᅠ ER -