1. 1972 Occurrence of oncolites in the Precambrian of northern Nuratau.;Abdullaev;Uzb. Geol. Zh.,1972
2. Conversion of biochemicals to kerogen and n-paraffins.;Abelson,1967
3. Recent amino acids in the Gunflint chert;Abelson;Carnegie Inst. Wash., Yearb.,1969
4. Uptake of amino acids by kerogen;Abelson;Carnegie Inst. Wash., Yearb.,1970
5. Reactions of amino acids with natural and artificial humus and kerogens;Abelson;Carnegie Inst. Wash., Yearb.,1971