by Young, E. D, Virgo, D, Popp, R. K
Published in The American mineralogist (01.08.1997)

by Popp, Richard K.
Published in The Journal of American history (Bloomington, Ind.) (01.09.2014)

by Popp, Robert K, Virgo, David, Phillips, Michael W
Published in The American mineralogist (01.12.1995)

by Popp, R. K, Gilbert, M. C, Craig, J. R
Published in The American mineralogist (01.02.1977)

by Popp, R. K, Gilbert, M. C
Published in The American mineralogist (1972)

by Popp, R. K, Gilbert, M. C, Craig, J. R
Published in The American mineralogist (01.02.1977)

by Lamb, William M, Guillemette, Renald, Popp, Robert K, Fritz, Steven J, Chmiel, Gregory J
Published in The American mineralogist (01.05.2012)

by Popp, R. K, Frantz, J. D, Vogel, G. L
Published in The American mineralogist (01.04.1980)

by Lamb, William M., Popp, Robert K.
Published in The American mineralogist (01.01.2009)

by Phillips, Michael W, Popp, Robert K, Clowe, Celia A
Published in The American mineralogist (01.06.1988)

by Phillips, Michael W, Draheim, James E, Popp, Robert K, Clowe, Celia A, Pinkerton, A. Alan
Published in The American mineralogist (01.08.1989)

by Fritz, Steven F, Popp, Robert K
Published in The American mineralogist (01.01.1985)

by Popp, Robert K, Nagy, Kathryn L, Hajash, Jr
Published in The American mineralogist (01.06.1984)

by Popp, Robert K, Hibbert, Heather A, Lamb, William M
Published in The American mineralogist (01.01.2006)

by Popp, Robert K, Virgo, David, Yoder, Hatten S, Hoering, Thomas C, Phillips, Michael W
Published in The American mineralogist (01.05.1995)

by Kim, M., Popp, K. R., Tchoupe-Nono, C., Ray, W. B., Bilbao, A. V., Schrock, J. A., Bayne, S. B.
Published in 2017 IEEE 21st International Conference on Pulsed Power (PPC) (01.06.2017)

by Virgo, David, Popp, Robert K
Published in The American mineralogist (01.05.2000)

by Popp, Robert K, Bryndzia, L Taras
Published in The American mineralogist (01.12.1992)

by Mysen, Bjorn O, Virgo, David, Popp, Robert K, Bertka, Constance M
Published in The American mineralogist (01.09.1998)

by Popp, Richard K.
Published in The Journal of American History (01.06.2014)