TY - BOOK AU - Ball,J.M (ed) TI - Material instabilities in continuum mechanics & related mathematical problems: proceedings of a symposium, Dept of Maths, Heriot-Watt university, Edinburgh, 1985-86 SN - 0198532733 U1 - 14.01 PY - 1988/// CY - Oxford PB - Clarendon Press ER -