00284nam a2200109 a 450000500170000002000150001708200190003210000160005124500390006726000500010630000180015620251203091811.0  a8170750334  a552.5,bD, jhi  aJhingran, V  aRecent researches in sedimentology  aDelhibHindustan Publishing Corporationc1993  ax,213p.c22cm