Fisher, P. R., & Kley, R. J. (1969). Geologic investigations and engineering properties of craters: Project Pre-Gondola I ([1. edition].). Livermore, C.: Army Engineering Nuclear Cratering Group.
Citación estilo ChicagoFisher, Paul R., y Ronald J. Kley. Geologic Investigations and Engineering Properties of Craters: Project Pre-Gondola I. [1. edition]. Livermore, C.: Army Engineering Nuclear Cratering Group, 1969.
Cita MLAFisher, Paul R., y Ronald J. Kley. Geologic Investigations and Engineering Properties of Craters: Project Pre-Gondola I. [1. edition]. Livermore, C.: Army Engineering Nuclear Cratering Group, 1969.
Precaución: Estas citas no son 100% exactas.