000 00511nam a2200193 4500
008 110906s9999 xx 000 0 und d
020 _a(paper back):
050 _aHF5415
_b.S74 1958
100 0 _astacey,
245 1 0 _athe changing pattern of distribution:
_cn;
250 _a2
260 _auk:
_bpergamon
_c1965,
300 _a427,
300 _axiii.
_c20
500 _aincludes index
504 _aincludes references
600 1 0 _aa
_xmutiple authors
942 _2lcc
_cBK
_hHF5415
_k.S74 1958
999 _c50179
_d50179