00261nam a22000977a 4500003000400000008004100004100001900045245004500064260004600109300000800155OSt230810b        |||||||| |||| 00| 0 eng d  aHartmann, H.T.  aPlant Propagation Principles & Practices  aG.B.S.P.D. New DelhibPrentice Hallc1978  a662