How many publication citations does John G. Gimbel's co-author and author of Coloring triangle-free graphs with fixed size, have?
8540
Carsten Thomassen is Person. Ken-ichi Kawarabayashi and Carsten Thomassen: From the plane to higher surfaces. (1994) authored by Carsten Thomassen. Carsten Thomassen: A short proof of Meyniel's theore. (1994) authored by Carsten Thomassen. Carsten Thomassen's alternative name is Carsten Thomassen. Carsten Thomassen's primary affiliation is Technical University of Denmark. Carsten Thomassen Carsten Thomassen is the author of "A Simpler Proof of the Excluded Minor Theorem for Higher Surfaces.". (1977). Carsten Thomassen h-index 52. Vojislav Petrovic and Carsten Thomassen: Edge-disjoint Hamiltonian cycles in hypertournaments. (2006) authored by Carsten Thomassen.
[INST]
Utilize the provided context information, to generate answers to the following question: 
- Generate the answer to the question based on the provided context.
- Avoid including any explanations or apologies in your responses.
- Only respond to questions that ask for the answer to the target question without any additional information.
- Strictly provide the answer without any additional text.
Question: How many publication citations does John G. Gimbel's co-author and author of Coloring triangle-free graphs with fixed size, have?
Context: Carsten Thomassen is Person. Ken-ichi Kawarabayashi and Carsten Thomassen: From the plane to higher surfaces. (1994) authored by Carsten Thomassen. Carsten Thomassen: A short proof of Meyniel's theore. (1994) authored by Carsten Thomassen. Carsten Thomassen's alternative name is Carsten Thomassen. Carsten Thomassen's primary affiliation is Technical University of Denmark. Carsten Thomassen Carsten Thomassen is the author of "A Simpler Proof of the Excluded Minor Theorem for Higher Surfaces.". (1977). Carsten Thomassen h-index 52. Vojislav Petrovic and Carsten Thomassen: Edge-disjoint Hamiltonian cycles in hypertournaments. (2006) authored by Carsten Thomassen.
[/INST] Answer:
