000 00325nam a22001337a 4500
003 OSt
008 241205b |||||||| |||| 00| 0 eng d
082 _a618.25 B
100 _aBULMER, M G
245 _aTHE BIOLOGY OF TWINNING IN MAN
260 _aLONDON
_bOXFORD UNIVERSITY PRESS
_c1970
300 _a205 p
942 _2ddc
_cBK
999 _c50232
_d50232