TY - BOOK ID - 128069831 TI - Population crises and population cycles AU - Russell, Claire AU - Russell, William Moy Stratton PY - 1999 SN - 0950406651 PB - London : Galton institute, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:128069831 AB - ER -