00775nam0-22002771i-450-9900039042304033210709903138000390423FED01000390423(Aleph)000390423FED0100039042320020408d1981----km-y0itay50------baengEconometricsa varying coefficients approachBaldev Raj and Aman UllahLondonCroom Helmc1981xii, 372 p.23 cmRaj,Baldev382658Ullah,Aman<1946- >101825ITUNINARICAUNIMARCBK990003904230403321B/3.2 RAJ251SESB/3.2 RAJ2518SESSESEconometrics516646UNINA