003900a00a22001570004500020001800000245005600018100002200074100002100096260003700117260000900154300001300163082001600176760001100192015002000203887000900223  a0-683-08706-1  aModern Trends in Infertility and Conception Control  aEdward E. Wallach  aRoger D. Kempers  bBaltimore:The Willaims & Wilkins  c1979  a1-191pgs  a613.888 W14  bH Room  aNo. 167, 001464  a50/=