00274nam a2200109Ia 4500082002200000100002500022245005200047260003500099300002000134500000500154700000500159  a519.234bSa227.BP  aSankaranarayanan, G.  aBranching processes and its estimation theoryb  aNew DelhibWiley Easternc1989  aix, 440p. Index  a  a