Pierre Ackerman
发表
Reino Pulkki,
Pierre Ackerman,
Benedict Odhiambo,
2016
.
Reino Pulkki,
Pierre Ackerman,
Glynn A. Hogg,
2010
.
Marco Pellegrini,
Pierre Ackerman,
Raffaele Cavalli,
2013
.
Pierre Ackerman,
Hannel Ham,
Elizabeth Gleasure,
2011
.
Raffaele Cavalli,
Stefano Grigolato,
Pierre Ackerman,
2016
.
Thomas Seifert,
Stefan Seifert,
Pierre Ackerman,
2016
.
Pierre Ackerman,
D. W. Längin,
B. Krieg,
2010
.
Reino Pulkki,
Pierre Ackerman,
2003
.
Pierre Ackerman,
Kayla Gagliardi,
Simon Ackerman,
2020
.
Pierre Ackerman,
Zimbili Bonisiwe Sibiya,
Simon A Ackerman,
2021,
International Journal of Forest Engineering.
Pierre Ackerman,
P. Ackerman,
R. Pulkki,
2011
.
Lars Eliasson,
Andis Lazdins,
Helmer Belbo,
2014
.
Pierre Ackerman,
J. V. D. Merwe,
P. Ackerman,
2016
.
Raffaele Spinelli,
Mauricio Acuna,
Ola Lindroos,
2017
.
Bruce Talbot,
Helmer Belbo,
Pierre Ackerman,
2018
.