ISO 4
ISO 4 (Information and documentation — Rules for the abbreviation of title words and titles of publications) is an international standard which defines a uniform system for the abbreviation of serial publication titles, i.e., titles of publications such as scientific journals that are published in regular installments. It was initially published in 1972 (ISO 4:1972), with a second edition published in 1984 (ISO 4:1984), and the third edition in 1997 (ISO 4:1997).