@article{JRAM_1979__309_152140,
     author = {N. Blackburn and L. Evens},
     title = {Schur multipliers of p-groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {100--113},
     publisher = {mathdoc},
     volume = {309},
     year = {1979},
     zbl = {0406.20014},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__309_152140/}
}