00270nam a2200109 a 450000500170000008200190001710000290003624500310006525000160009626000260011230000220013820251203091601.0  a581.4,bD, cha  aChamberlain, Charles, J.  aMethods in plant histology  a5th ed.rev.  aJaipurbArihantc1990  axiv, 416p, 22 cm.