TY - JOUR AU - A Zozulya AU - Scott Diddams AU - A van Engen AU - T Clement 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 -