Michael P. Barnett. Low-level language subroutines for use within Fortran. Communications of the ACM, 4(11):492-495, 1961. [doi]
@article{Barnett61,
title = {Low-level language subroutines for use within Fortran},
author = {Michael P. Barnett},
year = {1961},
doi = {10.1145/366813.366826},
url = {http://doi.acm.org/10.1145/366813.366826},
researchr = {https://researchr.org/publication/Barnett61},
cites = {0},
citedby = {0},
journal = {Communications of the ACM},
volume = {4},
number = {11},
pages = {492-495},
}