TY - JOUR AU - Zhang, Wei-Bin PY - 2002 DA - 1900/01/01 TI - Growth, technology, and environmental change—nonlinearity and non-constant returns SP - 346048 VL - 7 AB - SN - 1026-0226 UR - https://doi.org/10.1155/S1026022602000298 DO - 10.1155/S1026022602000298 JF - Discrete Dynamics in Nature and Society PB - Hindawi Publishing Corporation KW - ER -