TY  - BOOK
AU  - National Academy of Sciences
TI  - Mobility of Ph.D's before and after the doctorate with associated with economic & educational characteristics of states(Career Patterns Report No.3)
U1  - 378:331(047)(73)   L1 
PY  - 0000///U.S.A
CY  - 1971
PB  - National Academy of Science
ER  -