El Dr. Gustavo E. Romero fue el principal editor del libro «Jets at All Scales», proceedings del Simposio No. 275 de la International Astronomical Union (IAU).
Esta edición incluye artículos de su autoría y de colaboradores del grupo GARRA:
– ON THE REPROCESSING OF GAMMA-RAYS PRODUCED BY JETS 
M. Orellana, L. J. Pellizza and G. E. Romero
– RADIATION FROM MATTER ENTRAINMENT IN ASTROPHYSICAL JETS: THE AGN CASE
A. T. Araudo, V. Bosch-Ramon and G. E. Romero
– A LEPTO-HADRONIC MODEL FOR THE HIGH ENERGY EMISSION FROM THE JETS OF FR I RADIOGALAXIES
Matías M. Reynoso, María C. Medina and Gustavo E. Romero
– HIGH-TEMPORAL RESOLUTION OPTICAL OBSERVATIONS OF THE GAMMA-RAY BLAZAR PG 1553+113
I. Andruchow, J. A. Combi, S. A. Cellone, A. J. Muñoz-Arjonilla, G. E. Romero and J. Martí
– NONTHERMAL PROCESSES IN MICROQUASARS
Valentí Bosch-Ramon
– CONDITIONS FOR JET FORMATION IN ACCRETING NEUTRON STARS: THE MAGNETIC FIELD DECAY
Federico García, Deborah N. Aguilera and Gustavo E. Romero
– TRANSIENT HIGH-ENERGY FLARES FROM ACCRETING BLACK HOLES
Florencia L. Vieyro and Gustavo E. Romero
– A LEPTONIC/HADRONIC JET MODEL FOR THE LOW-MASS MICROQUASAR XTE J1118+480
Gabriela S. Vila and Gustavo E. Romero
– NON THERMAL EMISSION FROM T TAURI STARS
María V. del Valle and Gustavo E. Romero
– EXPLORING THE ASSOCIATION OF FERMI SOURCES WITH YOUNG STELLAR OBJECTS
P. Munar-Adrover, J. M. Paredes and G. E. Romero