TY - JOUR T1 - Structure and development of the reproductive system of some species of Nematocera (Order Diptera: Suborder Nematocera) JF - Philosophical Transactions of the Royal Society of London. Series B. Biological Siences Y1 - 1950 A1 - Abul-Nasr, S. E. SP - 339 EP - 396 L2 - 21595 L3 - 21612 VL - 234 UR - http://www.online-keys.net/sciaroidea/1941_50/Abul-Naser_1950_Structure_of_the_reproductive_system_Nemato%7E1.pdf N1 - check number! ER -