00597nam a22002171 4500 3583121 BD-DhUL 20140811112910.0 730109s1954 ilu 000 0 eng 54011600 DLC DLC DLC BD-DhUL HV45 .T47 361.1 THD Thelen, Herbert Arnold, 1913- Dynamics of groups at work. Chicago, University of Chicago Press [1954] 379 p. 24 cm. Social group work. 7 cbc orignew u ocip 19 y-gencatlg ddc BK 1721 1721 0 0 ddc 0 361_100000000000000_THD 0 NFIC 2936 DUSL DUSL GEN 2058-04-23 Purchase 361.1 THD A 5455 2014-08-11 2014-08-11 BK