TY - BOOK AU - Boulanger,P & Hayes,M ED - Hayes, M TI - Bivectors & waves in mechanics & optics T2 - Applied mathematics & mathematical computation 4 SN - 9780412464607 U1 - 2.03+4.12+14.01+14.02+14.03 PY - 1993/// CY - London PB - Chapman & Hall/CRC ER -