@article{MacGregorBurn, author = {MacGregor Burn, J.}, title = {The Exercise of Presidential Leadership}, series = {The Political Imagination, Glenview (Scott, Foresman and Co.) 1966, pp. 318-327.}, journal = {The Political Imagination, Glenview (Scott, Foresman and Co.) 1966, pp. 318-327.}, language = {en} } @article{Macgregor, author = {Macgregor, J.}, title = {Aspectos de la teor{\´i}a din{\´a}mica en Freud y en Fromm}, series = {E. Suarez-I{\~n}iguez (Ed.), Viejos y nuevos problemas de las ciencias sociales, Coyoac{\´a}n (Ediciones El Caballito) 1994, pp. 117-134.}, journal = {E. Suarez-I{\~n}iguez (Ed.), Viejos y nuevos problemas de las ciencias sociales, Coyoac{\´a}n (Ediciones El Caballito) 1994, pp. 117-134.}, language = {es} }