By Steyn J.   in Futures

ISSN:0016-3287|31|8|853-857

Elsevier‎(1999)‎

Access to resources Favorite 12.751278

By Franke A.   Haverkort A.   Steyn J.   in Potato Research

ISSN:0014-3065|56|1|51-66

Springer Publishing Company ‎(2013)‎

Access to resources Favorite 8.528173

By Haverkort A.   Franke A.   Engelbrecht F.   Steyn J.   in Potato Research

ISSN:0014-3065|56|1|31-50

Springer Publishing Company ‎(2013)‎

Access to resources Favorite 7.1068106

By Waals J.   Krüger K.   Franke A.   Haverkort A.   Steyn J.   in Potato Research

ISSN:0014-3065|56|1|67-84

Springer Publishing Company ‎(2013)‎

Access to resources Favorite 6.375639

By Nell S.   Steyn J.L.   in Journal of Terramechanics

ISSN:0022-4898|40|1|25-32

Elsevier‎(2003)‎

Access to resources Favorite 2.4156663