TY - RPRT TI - Four-dimensional ultrafast electron microscopy. AU - Vladimir A Lobastov AU - Ramesh Srinivasan AU - Ahmed H Zewail PY - 2005 DO - 10.1073/pnas.0502607102 UR - https://pubmed.ncbi.nlm.nih.gov/15883380/ ID - 15883380 ER -