Jonathan B. Martin Heng Sun Madison Albert Kevin M. Johnson William A. Grissom PulPy: A Python Toolkit for MRI RF and Gradient Pulse Design. 6586 2024 9 J. Open Source Softw. 103 https://doi.org/10.21105/joss.06586 db/journals/jossw/jossw9.html#MartinSAJG24 streams/journals/jossw