00319nam a2200121 a 4500008004100000050001800041100001700059245004800076246001700124260002400141300002300165350000900188120416s1973 ||||||||||||||||| || u aGF 750.Z2 Zam aElgie, Ian D10aConference handbookcedited by Ian D. Elgie aChipata 1973 aLusakabZ.G.Ac1973 aviii, 188p. : ill. a0.00