TY  - BOOK
AU  - Blalock, Hubert M
TI  - Theory construction: from verbal to mathematical formulations 
AV  - H 61 B484
PY  - 1969///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Ciencias sociales
KW  - Metodología
ER  -