00258nam a2200109 a 450000500170000002000150001708200220003210000210005424500270007526000240010230000220012620251203091838.0  a8170247799  a338.3727,bD, jos  aJoshi, Mahesh V.  aEconomics of fisheries  aDelhibA.P.H.c1996  axiv,200p.c23 cm.