How many citations are there for the institute of the author who published the 'Spatial Variability in Precision Agriculture' article?
9803467
D. J. Mulla holds the W. and was appointed to the ICPA in 1998. His PhD dissertation was entitled "The molecular dynamics, specific surface area, and swelling of clay-water systems.".
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Question: How many citations are there for the institute of the author who published the 'Spatial Variability in Precision Agriculture' article?
Context: D. J. Mulla holds the W. and was appointed to the ICPA in 1998. His PhD dissertation was entitled "The molecular dynamics, specific surface area, and swelling of clay-water systems.".
[/INST] Answer:
