00263nam a2200097 a 450000500170000008200200001710000130003724500490005026000440009930000220014320251203090506.0  a584.15,bD, vij  aVij, SP.  aBiology, conservation and culture of orchids  aDelhibAffiliated East-West Pressc1986  axvi, 492p, 23 cm.