TY - BOOK AU - Bureau of Indian Standards[BIS] TI - IS:6441-(Pt.7)-1973. Indian standard methods of test for autoclaved cellular concrete products. Pt.7 : strength, deformation and cracking of flexural members subject to bending sustained loading test. U1 - IS Code PY - 1989/// CY - New Delhi PB - Bureau of Indian Standards N1 - ENG ER -