| 2008, 4 | V’ačeslav Vs. Ivanov | On the evolution of processing and transmitting information in human and animal communities. | 3-14 | 
                
                                                                                        | 2005, 5 | V’ačeslav Vs. Ivanov | Typology of languages spoken in the region of the Amazon-river. II. Numerals and counting | 3-10 | 
                
                                                                                        | 1989, 5 | Yu.S. Stepanov | Counting, names of numbers, alphabetical signs of numbers in the Indo-European languages | 5-31 | 
                
                                                                                        | 1989, 4 | Yu.S. Stepanov | Counting, names of numbers, alphabetical signs of numbers in the Indo-European languages | 46-72 |