TY - JOUR T1 - Natural Regulation of Numbers in Primitive Human Populations JO - Nature PY - 1972/01/01 AU - SKOLNICK MH AU - CANNINGS C ED - DO - DOI: 10.1038/239287a0 PB - Springer Science and Business Media LLC VL - 239 IS - 5370 SP - 287 EP - 288 Y2 - 2025/03/13 ER -