TY  - BOOK
AU  - Choffray, Jean-Marine
AU  - Lilien, Gray L.
TI  - Market planning new industrial products
T2  - ( Ronald series on marketing management, ed.by Frederic K. Webster )
PY  - 1980///
CY  - New York
PB  - John Wiley
N1  - Ref. at the end
ER  -