TY - JOUR AU - Zozulya, A AU - Diddams, Scott AU - Engen, A van AU - Clement, T C2 - Physical Review Letters DA - 1999-01-01 00:01:00 LA - en M1 - 82 PB - Physical Review Letters PY - 1999 TI - Propagation dynamics of intense femtosecond pulses: Multiple splittings, coalescence, and continuum generation ER -