TY - BOOK AU - Ng,Daniel L. TI - Electron microscopy studies of explosion and fire residues T2 - Information circular U1 - 622 s PY - 1983/// CY - [Washington, D.C.] PB - U.S. Dept. of the Interior, Bureau of Mines KW - Mine fires KW - Mine explosions KW - Mine dusts KW - Measurement KW - Scanning electron microscopes ER -