TY - `EDBOOK` A3 - Marois, Maurice TI - Towards a plan of actions for mankind : problems and perspectives PB - North Holland Publ. Co. [u.a.] CY - Amsterdam [u.a.] PY - 1974 LA - eng SP - 558 S. SN - 0-7204-6055-7 SN - 0-444-10723-1 SN - 978-0-444-10723-7 CN - 75 B 2933::1 AN - UBHD-1047691 ER -