00447nam a2200133 a 450000500170000000800410001704100080005808200080006610000390007424500780011326400570019130000290024850000360027720260717091445.0260717s1986    ii            000 0 eng d  aeng04a5851 aChamberlain, Charles Joseph, 1863-10aGymnosperms: structure and evolution.cChamberlain, Charles Joseph, 1863- 1aNew Delhi :bCBS Publishers and Distributors,c1986.  axi, 484 p. ill. ; 22 cm.  aIncludes bibliography and index