TY - JOUR AU - Zhelochovtzev, A. N. AU - Rasnitsyn, A. P. PY - 1972 DA - 1900/01/01 TI - On Some Tertiary Sawflies (Hymenoptera, Symphyta) From Colorado SP - 063630 VL - 79 AB - SN - 0033-2615 UR - https://doi.org/10.1155/1972/63630 DO - 10.1155/1972/63630 JF - Psyche PB - Hindawi Publishing Corporation KW - ER -