TY - BOOK AU - Ohbayashi K Ed. AU - Watabe M Ed. ED - International confernce on elementary excitations in quantum fields (1987 : ) TI - Proceeding on elementary excitations in quantum fields T2 - Springer series in solid-state sciences; 79 U1 - C25p1,N87, M9 PY - 1989/// CY - Berlin PB - Springer Verlag KW - Liquid state physics KW - Physics ER -