SHROCK, ROBERT.R TWENHOFEL, WILLIAM .H
PRINCIPLES OF INVERTEBRATE PALEONTOLOGY - 2nd Ed. - New Delhi C.B.S. Publishers and Distrbutors, New Delhi 2002
562 / SHR/PR
PRINCIPLES OF INVERTEBRATE PALEONTOLOGY - 2nd Ed. - New Delhi C.B.S. Publishers and Distrbutors, New Delhi 2002
562 / SHR/PR