@article{Hamilton_1990,
 author = {Hamilton, David P.},
 year = {1990},
 title = {Publishing by - and for? - the numbers},
 url = {http://www.garfield.library.upenn.edu/papers/hamilton1.html},
 urldate = {2015-05-14},
 pages = {1331--1332},
 volume = {250},
 number = {4986},
 journal = {Science},
 doi = {10.1126/science.2255902}
}