TY - BOOK TI - Tentative Guidelines for Lean Cement Concrete and Lean Cement Fly Ash Concrete as a Pavement Base or Sub base IRC : 74 - 1979 U1 - IRC : 74 - 1979 PY - 1979/// CY - New Delhi PB - The Indian Roads Congress KW - The Indian Roads Congress N1 - IRC : 74 - 1979 ER -