Kotpal, R. L.
Porifera : text book for college and university students / by R. L. Kotpal - 7th ed. 1982-83. - New Delhi : rakesh K. Rastogi, 1982-83. - vii, 126p. : ill. ; 18 cm.
Includes bibliographical references and index.
593.4 / KOP
Porifera : text book for college and university students / by R. L. Kotpal - 7th ed. 1982-83. - New Delhi : rakesh K. Rastogi, 1982-83. - vii, 126p. : ill. ; 18 cm.
Includes bibliographical references and index.
593.4 / KOP