A unified presentation of the subject, treating fundamental principles, methods, and problems encountered in the field as a whole. All chapters have been extensively rewritten and expanded to keep up with the enormous growth of the subject matter. Nearly all references have been replaced; new ones have been selected on the basis of significance and general availability. Metric units have been employed exclusively. A conversion table for English units is included as an appendix. Zdroj anotace: Web obalkyknih.cz