TY - BOOK TI - Group psychotherapy, a behavioral approach 1st ed AU - Heckel, Robert V. AU - Salzberg, Herman C., 1931- joint author. SN - 0872493407 : PB - University of South Carolina Press PP - Columbia, S.C. : University of South Carolina Press, c1976. PY - 1976 UR - https://library.korea.ac.kr/detail/?cid=CAT000000074148&ctype=m