Lind, Ida (1997): A modified Wyllie equation for the relationship between porosity and sonic velocity of mixed sediments and carbonates from the Caribbean Sea. Geologiska Institutionen, Chalmers Tekniska Hogskola, Goteborg, Sweden, In: Middleton, Mike F. (chairperson), 3rd Nordic symposium on Petrophysics; extended abstracts, 445, 70-73, georefid:2002-019619