BibTex format
@article{SMITH:1976:10.1016/0030-4018(76)90352-7,
author = {SMITH, RW},
doi = {10.1016/0030-4018(76)90352-7},
journal = {OPTICS COMMUNICATIONS},
pages = {245--247},
title = {FLAT FIELD HOLOGRAPHIC LENS WITH NO 1ST ORDER ASTIGMATISM},
url = {http://dx.doi.org/10.1016/0030-4018(76)90352-7},
volume = {19},
year = {1976}
}