An extended repetition of the paper's title is not considered to be an abstract. Manuscripts should be divided into sections and subsections by headings and subheadings which are numbered as in thesc Instructions. Underlinings should be avoided strictly. References are to be limited in number to those absolutely necessary. Frequently, collective reference to older publications can be made by citing a review in which these publications are listed.
References are to be numbered sequentially in the order in which they are cited in the text.
The numbers should be enclosed in square brackets. Titles of journals are to be abbreviated according to the practice of Chemical Abstracts. However, this practice is acceptable only, if the author has at least received galley proofs of his paper. Edinburgh University Press, Edinburgh 1975. Titles of books should never be abbreviated.