@article{GDZPPN002311119,
title = {The Schur Multipliers of Sp6(Z),Spin8(Z),Spin7(Z),andF4(Z).},
journal = {Mathematische Annalen},
volume = {217},
year = {1975},
pages = {165-172},
zbl = {0291.20058},
url = {http://dml.mathdoc.fr/item/GDZPPN002311119}
}
Stein, Michael R. The Schur Multipliers of Sp6(Z),Spin8(Z),Spin7(Z),andF4(Z).. Mathematische Annalen, Tome 217 (1975) pp. 165-172. http://gdmltest.u-ga.fr/item/GDZPPN002311119/