Copernicus Publications and the Managing Editors of AAB thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 64, 2021.
- Folasade Ajayi
- Bilal AKYÜZ
- Marijke Aluwé
- jorge avila
- Marcella Avondo
- José Augusto Azevêdo
- Lisa Bachmann
- Eliana Badiale Furlong
- Wenlin Bai
- Inga Blunk
- Maud Bonato
- Mustafa Nunan Bucak
- Mehmet Akif CAM
- stefano cecchini
- Özcan Cengiz
- Raúl Delmar Cerutti
- Yongchang Chen
- Guo-Hong Chen
- Mingxing Chu
- Pierre Comizzoli
- Laszlo Csernoch
- Katarzyna Czyż
- Guangxin E
- HASAN ELEROĞLU
- ÖZKAN ELMAZ
- Orhan Ermetin
- Chungang Feng
- Gumercindo Franco
- Michael Gonda
- Xiao Gou
- Tomasz Gruszecki
- Kay-Uwe Götz
- Dirk Hinrichs
- Zengwen Huang
- Jieping Huang
- Erol Huseyin Serkan
- Zhihua Jiang
- Patricia Johnson
- Andrzej Junkuszew
- Stanislaw Kaminski
- Selcuk Kaplan
- Majid Khansefid
- Koray KIRIKÇI
- Woo-Sung Kwon
- Jae-Sung Lee
- Mingxun Li
- Jinquan LI
- Yinghui Ling
- Erick Loetz
- Alireza Lotfi
- Xinhong Luan
- Wen Luo
- Chenglong Luo
- Yun Ma
- Ankit Magotra
- Yuwares Malila
- Miroslav Maršálek
- Paulius Matusevicius
- Yongwang Miao
- Bilal A. Mir
- Manijeh Mohammadi-dehcheshmeh
- Eduard Murani
- Pavel Novak
- Mengling Peng
- Giuseppe Piccione
- Nataliya Roth
- Miroslav Rozkot
- Bartosz Sołowiej
- Eva Strucken
- Rui Su
- András Szabó
- Shihei Touma
- Hilal TOZLU CELİK
- Hacer TUFEKCI
- Ismail Turker
- Roberta de Lima Valença
- Andreas Vernunft
- Roberto Vigano'
- Xin Wang
- Xiaolong Wang
- Linjie Wang
- Chao Wang
- Joachim Weitzel
- Anna Wójcik
- Yathreb Yagoubi
- Runjun Yang
- Fatih Yildirim
- Junming Yue
- Petra Zenke
- Annette Zeyner
- Xingbo Zhao
- Haidong Zhao
- Birgit Jutta Zumbach
- Yasemin Öner
- Sezen Özkan
- Marcin Świątek
- Joanna Żochowska-Kujawska