TY - BOOK AU - De Cecco, John P. AU - xx, 686 p. AU - Title TI - Applications of the theory of groups in mechanics and physics SN - 68013127 PY - 1968///] CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Educational psychology N1 - Bibliography: p. 753-787 ER -