TY  - BOOK
AU  - Boardman, A.D.
AU  - O'Connor, D. E.
AU  - Young, P. A.
TI  - Symmetry and its applications in science
SN  - 07 084011 3
U1  - 510 
PY  - 1973///
CY  - London
PB  - McGraw-Hill Book Co.
ER  -